A grade school teacher has developed several ideas about how to improve her students’ learning outcomes, and now she needs to pi
1 answer:
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Answer:
7
Step-by-step explanation:
the reciprocal of
To find reciprocal, flip the top and the bottom.
So would be
.
Multiply like normal.
Answer:
a = 9
Step-by-step explanation:
you can simplify the proportion to:
use cross- multiplication
8a = 72
a = 9