Abby from NCIS is preparing Kastle-Meyer solution which is used for the detection of blood at a crime scene. She needs Phenolphthalein solution (made with Phenolphthalein powder, zinc and sodium Hydroxide...

Abby from NCIS is preparing Kastle-Meyer solution which is used for the detection of blood at a crime scene. She needs Phenolphthalein solution (made with Phenolphthalein powder, zinc and sodium Hydroxide...

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Every morning Jenna runs for 20 minutes. If Jenna runs 66 miles per hour, how far does she travel?

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The ratio of the number of marbles in Box A to that in Box B is 3:5. Box A has 10 fewer marbles than Box B. How many marbles are there altogether? If 3 marbles...

Imagine you have a list of paired values x,y. the goal is to compare all values until you have the best possible pair. The smaller X, the better. The larger Y, the better. Although Y is more influential...

70 items for which he paid $3500. Write the two rate (ratios) implied by this statement. What would he have had to pay for 720 items at the same rate?

The ratio of Shauns cards to jessica cards is 5 to 3. After shaun gives jessica 15 of her cards, both girls have the same number of cards. How many cards do each have now? The ratio...

This question is about ratios and I want to know how many boys there would be if there were 24 kids in total and the ratio was 5:3 boys to girls

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Xavier, Kevin and John had a total of 126 stamps. The ratio of Xavier's stamps to Kevin's stamps was 2:1. The ratio of Kevin's stamps to John's stamp was 2:1. How many stamps did Kevin have?

a. 30 minutes to 3 hours and 25 minutes b. 500 m to 3.4 km c. 500 g to 10.4 kg

The numeral 1 through 10 are each written on a separate sheet of paper and dropped into a hat. A girl is going to pick a slip out of the hat without looking. What are the chances of her...

Mario has 3 brown socks and 5 white socks in his sock drawer. What is the least number of socks he should take out of his drawer without looking if he wants to get at least one matched pair...

The surface areas of two similar shapes are in the ratio 4:9. What is the ratio of their volumes?

7.2 to 3.2

1 5/9 to 2 1/2

ina school the ratio of boys to girls is 4:3. there are 216 boys . how many girls are there ?.

While on a ski vacation, a group can rent pair of skis and snowboards by the week. They get a reduced rate if they rent 7 pairs of skis for every 3 snowboards rented the reduced ski rate is $45.50...

I have never been good at doing rates

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