Drinking 8 fluid ounces of milk provides 270.0 milligrams of calcium. how many fluid ounces of milk provide 72.5 milligrams of calcium? round to the nearest tenth. a. 2.1 fluid ouncesb. 2.3 fluid ouncesc. 2.6 fluid ouncesd. 1.8 fluid ounces

A. 2.1 fluid ounces

Step-by-step explanation:

Following information given in the statement

8 ounce milk=270.0 mg calcium

we have to find how many ounce of milk=72.5 mg calcium

Let x be the amount of milk possess 72.5 milligrams of calcium.

So, x=(72.5*8)/270

x=580/270=2.148

Rounding x to nearest tenth

x=2.1

Hence, 2.1 ounce milk contains 72.5 mg calcium.

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10