12. One brand of horse feed is made of oats and barley. The ratio of oats to barley is
4:11 by mass. How many kilograms of each grain are needed to make 150 kg of
feed?

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Which of the following shows the length of the third side, in inches, of the triangle below