1) 4 divided by 2/5 2) 2 divided by 1/4
3) 6 divided by 11/12
4) 3 divided by 1/3
5 ) 12 divided by 2 1/3

1.) 10

2.) 8

3.) 72/11 or 6.54545

4.) 9

5.) 36/7 or 5.142857143

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this

for ex: the reciprocal of 3/4 is 4/3. it is the opposite.

reciprocal definition:

a mathematical expression or function so related to another that their product is one; the quantity obtained by dividing the number one by a given quantity.