Mathew deposits a total of $900 into his savings account in a year. if mathew deposits the same amount every month, what is the amount he deposits every month?

$75 because he deposits $900 in a year. A year is 12 months and you'rer trying to find out how much he deposits every month. So, you do 900/12 and you get $75.

You can find the area of a rectangle by multiplying the length and height. so multiply 1/2*7/4(which is the simpler version of 1 3/4) and you get 7/8 as your answer.