I could help if I had a picture of the problem
Djjxkskxocoodow bc dndkckckdkekks cjdisooxocod
Answer:
20
Step-by-step explanation:
Substitute D=4 into 4 D.
4 x 5 = 20
It takes at least 12 hours for the newer machine to make 10,000 cans
Answer:
a. 7.2
b. 6
Step-by-step explanation:
Since the side lengths of similar polygons are proportional to each other, therefore:

Thus, let's find b using:

Cross multiply


Divide both sides by 15
b = 6
Let's find a using:

Cross multiply
9*12 = 15*a
108 = 15a
Divide both sides by 15
a = 7.2