John needs an average of 80 in English to make his parents happy. He now has an average of 78.5 based on four grades of 73, 84, 79, and 78. What grade does he need to get on his last
test to bring his average up to 80 ?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Micheal is 4 times as old as brandon and is also 27 years older than brandon. how old is micheal

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. how many cups of pear juice should she use to make 20 cups of punch?