Question

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

Answer 1

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Answer 2

Answer:

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 = $\frac{8}{270}$ = 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.