Two ratios form a proportion if the ratios reduce to the same fraction which two ratios below form a proportion

15/12 15/9 25/10 35/21

15/9 and 35/21

if you use your calculator you can figure out they're the same ratio which iss 5/3rds

15/9 and 35/21 they both reduce 5/3

Step-by-step explanation:

(23*2)-12=x     x=34

step-by-step explanation:

answer:

your answer is: c. 196 7/8 in^3.