algebra
posted by Keaton on .
What percent of 320 is 220 my answer is 6.88 make as a decimal.is this right.
12(<)15 is less right.
7(4)=3 this subtract answer.
9.8+(4.9)=13.7
is these problem right.

my problem have not been answer what the problem

220/320 = .6875 = 68.75%
(I don't know how you got 6.88)
12 < 15 true
7(4)
= 7 + 4
= 3 so you are right
9.8 + (4.9) = 14.7
2 negatives when added are still negative, think of going into debt twice, you are still in debt.