Brian has 250 coins in his piggy bank. Some of the coins are quarters and the rest are nickels. If the total value of the coins is $28.70, find the number of nickels in the piggy bank.

Neil bought 5 books. The average price of 2 books is 5 dollars. The average price of the rest of the books is 4 dollars. Find the total amount of money Neil paid for the 5 books

Why is it difficult / impossible to find even prime numbers?

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Solve the system of equation 2r+2s=50 and 2r-s=17 a. r=14, s=11 b. r=-8, s=33 c. r=3, s=11 d. r=25, s=33

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Peggy completed 5/6 of the math homework and they are completed 4/5 of the math homework they Peggy or a I complete more of your math homework

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What are two other negative integers that have the same sum - 2 and - 5 How would using a number line to find the sum 2 + 5 be different from using a number line to find the sum - 2 + (-5) ?

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