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 ounces b. 2.3 fluid ounces c. 2.6 fluid ounces d. 1.8 fluid ounces

A) 2.1 fluid ounces of milk provide 72.5 milligrams of calcium.

Step-by-step explanation:

Given : Drinking 8 fluid ounces of milk provides 270.0 milligrams of calcium.

To find  : How many fluid ounces of milk provide 72.5 milligrams of calcium? Round to the nearest tenth.

Solution : We have given that

270.0 milligrams of calcium provided by  = 8 ounces of milk.

1 miligram of calcium provided by = = 0.0296

72.5 milligrams of calcium provided by  = 0.0296 × 72.5 = 2.14 fluid ounces

Nearest tenth of 2.14 = 2.1

Therefore, A) 2.1 fluid ounces of milk provide 72.5 milligrams of calcium.

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.

b. 2 and 4

step-by-step explanation: