Question

Jennifer Lopez met her 10 cousins at a family reunion. The number of male cousins (x) is 2 less than the number of female cousins (y). How many (male,female) cousins were there? (not including Jennifer)

Answer 1

Answer:

Step-by-step explanation:

Given that Jennifer Lopez has 10 cousins

The number of male cousins is x

The number of female cousins is y

Since x is 2 less than y, we have:

x = y + 2 ...............................................................................(1)

The total number of cousins is 10, we have:

x + y = 10 ..............................................................................(2)

Substituting equation (1) in (2)

(y + 2) + y = 10

y + y + 2 = 10

2y + 2 = 10

Subtract 2 from both sides

2y = 10 - 2

2y = 8

Divide both sides by 2

y = 8/2 = 2

Substitute the value of y into (1)

x = 2