Which quantity is proportional to
12/48?

Any fraction that is equivalent to 12/48 would be correct.

12 and 48 are both divisible by 2, so .

12 and 48 are both divisible by 4, so .

12 and 48 are both divisible by 12, so .

All of those fractions are proportional.

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5