Asked by agatha in Science

I need help with b) only thank you!

Asked by agatha in Science

I need help with c) only

Asked by agatha in Science

I need help with this question

Asked by rima in Math

The ratio of the number of boys to the number of girls in a hall was 3:5.After 84 girls had left the hall,the ratio of the number of boys to the number of girls became 2:1.How many girls were in the hall?

Asked by Vedanti in Math

How to solve qn 52?

Asked by Vedanti in Science

How to solve qn 52 and 53???

Asked by Vedanti in Science

How to solve qn 52 and 53???

Asked by Vedanti in Math

How to solve ...please help! Urgent!!!

Asked by Vedanti in Science

How do i solve this?

Asked by Vedanti in Science

What is a matter

Asked by Kelpyee in Math

De En bought 12 identical photo frames. Guan Han bought 7 such photo frames. Guan han also bought 6 key chains at $8.55 each. Altogether, he spent $23.70 less than De En. What was the total amount of money De En spent?

Asked by Kelpyee in Math

The figure below shows an empty tank placed below two taps. Tap A and Tap B. It takes 6 min to fill the tank with Tap A alone and 9 min with Tap B alone. Starting with an empty tank, how long would it take to fill 1/2 of the tank with both Tap A and Tap B? Give your answer in seconds.

Asked by Kelpyee in Math

3/4 of Julia's money is equal to 2/3 of Sally's money. If Sally has $15 more than Julia, find the total amount of money both girls have.

Asked by Edlyn in Math

A scout hikes along on 8-km route. He reports at a checkpoint after hiking every 3/4 km. How many checkpoints does he report at, including the one at the start and at the end? (Note: The distance between the last two checkpoints may be less than 3/4 km.)

Asked by Edlyn in Math

There are 32 kg of sugar in Belle's pantry. She needs to pack 5/6 of the sugar inton bags of 2/3 kg each. How many bags does she need?

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