Use proportions for all of them, for #1 use the proportion 12/30 = 9/a based on corresponding sides and then cross multiply. a=22.5 For #2 use the proportion y/35 = 64/40 based on corresponding sides and then cross multiply, y=56 For #3 use the proportion 42/? = 54/36 and then cross multiply, ?=28
Answer:
She can buy 3 pairs for $9.00 with $2.00 extra.
Step-by-step explanation:
The answer is C. Have a nice day.
ANSWER:
true
STEP-BY-STEP EXPLANATION:
