# 7.RP.A.3 Lesson Plans

Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error.

## Coherence Map of 7.RP.A.3

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#### Standard Description of 7.RP.A.3

Use proportional relationships to solve multistep ratio and percent problems. Examples: simple interest, tax, markups and markdowns, gratuities and commissions, fees, percent increase and decrease, percent error.

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7.RP.A.3

## TOPICS RELATED TO APPLYING RATIOS AND PERCENTS

### How do you solve ratios with percentages?

To transform a ratio into the form of a percentage, definitely divide m by using n and then multiply the result with the aid of 100. for instance, if the ratio is 12:4, convert it to the form 12/four, that's an equation we will solve. after that multiply the end result with the aid of one hundred to get thepercentage. use our ratio calculator to solve or lessen a ratio.

### How do you solve a ratio problem?

to apply proportions to resolve ratio word troubles, we need to observe those steps: Pick out the recognized ratio and the unknown ratio. Set up the proportion. Go-multiply and remedy. Test the answer by way of plugging the result into the unknown ratio.

### How do you do proportions with percentages?

In a percentage the cross-merchandise are identical: so three times a hundred is equal to four instances thepercent. the lacking percent equals one hundred instances 3 divided by means of four. (multiply the 2 opposite corners with numbers; then divide by way of the other number.)

## TOPICS RELATED TO APPLYING RATIOS AND PERCENTS 