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What is true about the dilation?
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The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.

Sally deposited money into a savings account paying 4% simple interest per year.the first year,she earn $75 in interest.how much interest will she earn during the following year?

Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?