Sue wants to increase she 160 by 4%
she writes down 160 x 1.4 = 224
she is wrong
what could she have multiplyed by

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x