Answer:
(a) 163
(b) 75
(c) 56
Step-by-step explanation:
Use THE VENDIAGRAM, and mabe you wouldn't need help.
it is A
Step-by-step explanation
1. use a calculator to help
2. that's wrong because it equals 1.333...
20 quarts of peanut oil worth 19 cents a quart must be mixed.