This is just Algebra I.
If there are
a grams of A
b grams of B
.14a + .29b = 34.53
130a + 90b = 25430
Now just find a and b.
A researcher performs an experiment to test a hypothesis that involves the nutrients niacin and retinol. She feeds one group of laboratory rats a daily diet of precisely 34.53 units of niacin and 25,430 units of retinol. She uses two types of commercial pellet foods. Food A contains 0.14 unit of niacin and 130 units of retinol per gram. Food B contains 0.29 unit of niacin and 90 units of retinol per gram. How many grams of each food does she feed this group of rats each day?
food a____g
food b____g
1 answer
1 answer