Ratios Rates and Proportions

Ratios Rates and Proportions

For each kilogram of a person's weight, 2.5 milligrams of a drug is to be given. What dosage should be given to a child who weighs 71 pounds? Use the fact that 1 lb= 0.45 kg. (Round to the nearest...

Mary earned $97.50 in 6.5 hours. If Mary works for 8 hours,how much Can She expect to earn??

sarah saw a television on sale for $150, but when she went back the next day the price was $200. What was the percentage change from the first day to the second day?

Andy earns $157.50 for lifeguarding 18 hours. He receives a .40 raise per hour. Alana earns $95 for 10 hours. Who will earn the most for lifeguarding 25 hours?

The ratio of the length of an airplane wing is 7 to 1. If the length of a wing is 22.2 meters, how wide must it be

i need to know how to set this problem up as an equation.

applied problems involving proportions

they say that x and y are directly proportional. they ask me then if its true that x is directly proportional to x which is the same variable and I'm confused.

I need help, I cant get the answer I keep trying.

The water rate for a city in north carolina is $1.39 per 746 gallons of water used

Need to set up a proportion

Carl has 50 pieces of candy in a bag, some pieces are red and the rest are green. The ratio of red to green candies is 3:2, how many pieces of candy are green?

Carlos spent 11/4 hours baking. He spent 1/4 of his time mixing. How many hours did Carlos spend mixing?

it is asking how many sheets of toilet paper it takes to equal the carbon footprint of a carton of orange juice

Nine large pipes will drain a pond in eight hours and six small pipes will drain the same pond in sixteen hours. How long will it take 3 large pipes and 5 small pipes to drain the pond?

For every 3 chocolate chips, it weighs 1 ounce

Could someone explain how to solve the following? Perform the following: a) What percent of 234 is 14? b) 34 is 8% of what number?

How do I solve these questions? How much is: a) 23 increased by 34% b) 28 less 65%

In an election, everyone votes for either candidate A or candidate B. After 60% of the votes are counted, candidate A is leading 60 that means that B must get what % of the remaining vote to have...

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