Answer:
5.3
Step-by-step explanation:
27.8/37 = x/7
37x = 194.6
x=5.25
x=5.3
Answer:
6(3d+2)
Step-by-step explanation:
Answer:
$6.66 per shirt
Step-by-step explanation:
20/3 = 6.66
It costs $6.66 per shirt, therefore the rate would be 6.66/shirt
Answer:
k = anything that is less than 2, so 1, 0, -1, -2, -3, -3 1/4, etc.
Hope that helps!
Step-by-step explanation:
Answer:
50 liters
Step-by-step explanation:
If x is the volume of 20% acid, then:
x (0.20) + 20 (0.45) = (x + 20) (0.30)
0.2x + 9 = 0.3x + 6
3 = 0.1x
x = 30
30 liters of 20% acid are needed, so there will be a total of 50 liters of 30% acid.
