Mathematics

Mariam Lin

13 April, 00:46

Translate the following word phrase into an algebraic expression: seven times the difference of y and one.

Translate the following word phrase into an algebraic expression: nine times five less than twice x.

Eric has rock and classical CDs in his car. The number of rock CDs is 3 more than the number of classical CDs. Let c represent the number of classical CDs. Write an expression for the number of rock CDs.

Marcella has 6 fewer male cousins than female cousins. Let f represent the number of female cousins. Write an expression for the number of boy cousins.

Jeannette has $5 and $10 bills in her wallet. The number of fives is three more than six times the number of tens. Let t represent the number of tens. Write an expression for the number of fives.

Explain the difference between "4 times the sum of x and y" and "the sum of 4 times x and y."