The USDA recommends that adult females consume 75 mg of ascorbic acid, also known as vitamin C, each day. Because smoking inhibits vitamin absorption, smokers are encouraged to consume an additional 35 mg daily. If one grapefruit contains 40 mg of vitamin C and one serving of spinach contains 10 mg, which of the following inequalities represents the possible intake of grapefruit g and spinach s that a smoking female could consume to meet or surpass the USDA's recommended amount of vitamin C?
A. 40g + 10s ≥ 75
B. 40g + 10s ≥ 110
C. 40g + 10s > 110
D.
Answer:B
The USDA recommends that adult females consume 75 mg of ascorbic acid, also known as vitamin C, each day. Because smoking inhibits vitamin absorption, smokers are encouraged to consume an additional 35 mg daily. If one grapefruit contains 40 mg of vitamin C and one serving of spinach contains 10 mg, which of the following inequalities represents the possible intake of grapefruit g and spinach s that a smoking female could consume to meet or surpass the USDA's recommended amount of vitamin C?
A. 40g + 10s ≥ 75 B. 40g + 10s ≥ 110 C. 40g + 10s > 110 D.
Explanation: B