1)
7/6d+4/3=-1/3
7/6d=-5/3
d=-5/3×6/7
d=-10/7
2)
5 1/2-u=9/4
11/2-u=9/4
22/4-u=9/4
13/4=u
3 1/4=u
3)
-m-7/8=-10
-m-7/8=-80/8
-m=-73/8
m=73/8 or 9 1/8
4)
2/7=4/5+9q
10/35=28/35+9q
-18/35=9q
q=-18/35×1/9
q=-2/35. Hope it help!
Answer:
b. $25
step-by-step explanation:
$375 / 15
25 coffee makers
$375 / 25
15 coffee makers
$375 / 40
9.375 coffee makers which makes no sense
$375 / 55
6.81818182 coffee makers which also makes no sense
coffee makers are usually over $20 so b makes the most sense here
