Proportions and percentages applications

Reference no: EM13130480

A- electronics problems.

1- If a monitor is to be sold at 30% off, how much do you have to pay?

2- A $750 digital camera is on sale for $695, what is the percent savings? When dividing, round to the nearest thousandth.

3- In science class, nicole built a cardboard girder( or a I-beam) in science class that can support 21.5% of mr. sit's weight. if a ginder can support 30.24 pounds, how much does mr. sit weight ? solve wiht the percent formula.

4- Kyle got a 64% on his latin exam. if the exam has 75 points in total, how many points in total did he receive on his exam? solve with the percent formula.

5- Show the proportions that you could have used to solve for exercise #3 and #4

6- Let's say it takes 3000 cows to make enough footballs for one season of the NFL. If the NFL decides to make the official football a bit larger so that it now takes 3400 cows, what is the percent change in the cows needed?

Reference no: EM13130480

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