7. Which proportion can be used to solve the following percent problem? What is 50% of 70? (1 point)

о X 70 X 50 50 70 70 = 50 100 70 100 X 100 = 50 100 = - ооо

The proportion that can be used is:

50/100 = x/70

where x is the unknown value, representing "what is 50% of 70".

Simplifying the proportion, we can cross multiply:

100x = 50 * 70

Then, dividing both sides by 100, we get:

x = (50 * 70) / 100

x = 35

Therefore, 50% of 70 is 35.