a storage tank is 60% filled with chemical solution. The storage tank holds 1,280 liters of chemical solution. How many liters of chemical solution are needed to fill the storage tank to the top?

Step-by-step explanation:

write a proportion and cross multiply to solve for x

100x=76,800

x=768

60% full is 768 L. If the tank can hold 1,280 Liters, you need 512 more to fill it.

Alternatively...if the tank is 60% full, we need 40% more to fill it

100x=51,200

x=512 L

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c - they will have the same distribution

step-by-step explanation:

this is the only one that could make sense. : )