In a mixture of concrete, there are four lbs of cement mix for each pound of gravel. if the mixture contains a total of 130 lb of these two ingredients, how many pounds of gravel are there?

The proportion of gravel in the mixture is 1 / (4 + 1) = 1/5.

So in 130 lbs of mixture there is 1/5 * 130 = 26 lbs of gravel ( answer).

the first question mark is 6 and the second question mark is 26 (the square root)

step-by-step explanation:

step-by-step explanation:

i believe its "c" because all of the other options include a but it could be d because there is a way of financing with cash at certain places but its uncommon.