Answer:
second one is 3, the last one is 4560
Step-by-step explanation:
a 40 ounce bag
x=5
Step-by-step explanation
3.18x+2.6+0.9x+x=28
3.18x+0.9x+x+2.6=28
5.08x+2.6=28
5.08x+2.6-2.6=28-2.6
5.08x=25.4
hope it helps