Recent content by Johnx1

The ratio of Miss Chen's age to her father's age is 2:5. In 8 years' time, the ratio of their ages will become 1:2. How old is Miss Chen's father now? My work. Age of Chen = C Age of Father = F ----------------------------------------------------------------------------------------- Method 1...

My mistake, I should have asked in the question if I was heading the right path with the algebraic expression I created? :-) In the book, Sam answer was $4.50. Thank you for clearing up the problem.

Devi, Sam and Nora shared the cost of a gift for their friend. The amount Devi and Sam paid was 3/10 of the cost and the amount Sam and Nora paid was 7/10 of the cost. Devi paid 5.85 dollars and Nora paid 13.80 dollars more than Devi. How much did sam pay? My work: How much Devi paid = D How...

I see where I made the mistake. I had to times the number of cookies that were left. Thank you.

Meiling baked some cookies. 5/7 of the cookies were butter cookies and the rest were green tea cookies. She gave away 3/4 of the butter cookies and 1/4 of the green tea cookies. After she ate 9 green tea cookies, she had an equal number of butter cookies and green tea cookies left. How many...

Thank you for this. When I went back to this question, I had a feeling that I was making math up. Thanks again.

Raju and Ann saved a total of 1560 dollars. After Raju gave Ann 50 dollars, Raju had 5 times as much money as Ann. How much did Raju have at first?Number of dollars saved = R Number of dollars saved = A 1) We know Raju and Ann saved 1560 dollars R + A = 1560 2) (i got confuse at this...

Thank you for this. I didn't see it this way.

Before I posted the question, I did get somewhat to this part, but I didn't put (Girls and Women) and (Boys and Men) into as an Audience. So I got stuck here G=B+21 You made it much more sense. Thank you.

Junhao and Bala both collect stamps. 1/3 of Junhao's stamps is equal to 3/5 of Bala's stamps. Junhao has 76 more stamps than Bala. How many stamps does each of them have? My answer: Number of stamps Junhao have =J Number of stamps Bala have = B We know that Junhao has 76 more stamps than Bala...

5/8 of the audience at a musical are females. 3/10 of the females are girls and 1/3 of the males are boys. There are 21 more girls than boys. How many people are there in the audience? My answer. I'm not sure how to do this. I know that there are 3/8...

There was an equal number of boys and girls in a school hall. After 108 boys left the hall, the number of girls in the hall became 4 times the number of boys in the hall. How many pupils were there in the hall at first? my work: Number of Boys = B Number of Girls = G G = B We know that the...

Thanks for pointing that out. I skipped a few steps a few steps, but I times X = 3S, so that's how I got my answer. I'm not trying to cause any drama, but I'm actually not a student and have no teachers. In short, I'm just currently not good at these yet, but this forum helps a lot :-)...

Siti and Xinyi had the same number of stickers. After Siti gave away 55 stickers and Xinyi threw away 15 stickers. Xinyi had three times as many stickers as Siti. How many stickers did Xinyi have in the end? My answer: Siti = S Xinyi = X Gave/threw away stickers = TWe know: S = X S = T - 55 X...