Can someone help me with my homework will give 20 points and brainliest!!!

Answer:
4a) 135×11/5= 297 miles
b) 216/27= 8 gallons (27miles is the distance one gallon can go)
5) 4+3+4=11
4/11 × x=160
4x=1760
x= 440
6) $4.20/14= $0.3...cereal A
$3.90/12= $0.325...cereal B
Cereal A os the better buy
7) 4×30/3= 40 presents
Hope it's all correct :-)