What is the value of y in the equation 6.4x + 2.8y = 44.4, when x = 3?

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Mallory has been offers two different jobs. she can baby sit for 6 hours a week and get $8.50 an hour. or she can work at the library for 14 hours a week and make $5.50 an hour. which job will allow her to save the most money after 6weeks?

Which verbal expression best describes the algebraic expression 3x ÷ 5? the quotient of three times some number and five the product of some number and five divided by three the quotient of three and some number times five the sum of three and some number divided by five