To estimate round 389 to 400
400 / 20 = 20
answer would be B. 20
Y= 21
2y=35+7
2y=42
42 divided by 2 = 21
B. and C. a.k.a
B. Some ratios are not fractions &
C. All fractions are ratios
btw i just did this one XD
2(2) + 3(3) =
4 + 9 = 13
I don't know what 90p means but basically, u have to multiply that by 3 and add it to our current total which is 13.
Then, u substract the total cost from the 20 and you should get the change.
