a supplier sells 2 1/4 pounds of mulch for every 1 1/3 pounds of gravel. The supplier sells 172 pounds of mulch and gravel combined. how many pounds of each item did the supplier sell?

Answers

Answer 1

Answer:

We first write the fractions in their decimal forms and find out the ratio.

2 1/4 is equivalent to 2.25, and 1 1/3 is equivalent to 1.33

Ratio will be 2.25 / 1.33 = 1.69 or 1.7 rounded off. Since it cannot be simplified further, then the ratio of mulch to gravel will be 1.7: 1

Quantity of mulch sold → 1.7/2.7 of 172 →0.629 ×172 = 108.2 pounds

Quantity of gravel sold will be 172 -108. 2 = 63 .8 pounds

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What is the solution to the equation? 7x + 6 = –22

A. x = -64/7

B. x = -4

C. x = -16/7

D. x = 4

Answers

To solve the equation 7x+6 = - 22, we have to get the variable x alone on one side of the equation.

To do this, first we must subtract 6 from both sides, so that it cancels out with the +6 on the left side.

7x + 6 = - 22 = 7x = -28

Then, we must divide both sides by 7, so that we can get rid of the coefficient of the variable x on the left side of the equation.

7x = -28 = x= -4

Therefore, your answer is
B. x = -4

7x + 6 = -22.

+6 crosses equality sign and changes to -6

7x = -22 -6

7x = -28 Divide both sides by 7

7x/7 = -28/7

x = -4

Option B.

If the Side Square Is 7m. Find Its Area