This is applying systems

Troy and his sister Caitlin can earn money by choosing to do chores around the house. Last month, Caitlin earned $5 more than twice what Troy earned. If the sum of their earnings was $80, how much did Caitlin earn last month?

the answer is d

step-by-step explanation:

y+3=-4(x-2)

y+3=-4x+8

  -3         -3  

y=-4x+5

im not sure

step-by-step explanation:

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x

2 apples

step-by-step explanation:

taking away equals subtraction. 6-4=2