Answer:
4/5th of a cup of flour
Step-by-step explanation:
4 cups flour to 5 batches brownies = x cups flour to 1 batch brownies
4 / 5 = x / 1......cross multiply because this is a proportion
(5)(x) = (4)(1)
5x = 4.....divide both sides by 5
x = 4/5
so he used 4/5 of a cup of flour to make 1 batch of brownies <==
Answer:30 tests
Step-by-step explanation:
16=2/3 -4
20=2/3
10=1/3
30tests
Answer:
x = (ab - ac )/c
Step-by-step explanation:
x/a = b/c - 1 Multiply through by ac:
cx = ab - ac Divide both sides by c:
x = (ab - ac )/c.
Answer:
ok
Step-by-step explanation:
