Answer:
0.12 x (x + 3000) = 4200
equation for her salary last year : last year's salary = (4200 / 0.12) - 3000
$32,000
Step-by-step explanation:
Let x = last year's salary
this year's salary = 3000 + x
this equation can be used to determine how much she saved this year = 0.12 x (x + 3000) = 4200
to find last year's salary, make x the subject of the formula
4200 / 0.12 - 3000 = x
x = $32,000
Answer:
13.01 d -2.65
Step-by-step explanation:
3.26d + 9.75d - 2.65
Combine like terms
3.26d + 9.75d - 2.65
13.01 d -2.65
Answer:
$6.30
Step-by-step explanation:
So we are going to subtract what is owed by what is payed back to find out how much John owes his brother
$25.75 - $19.45 = $6.30
John owes his brother $6.30
The answer is B
Read on for explaination:
to find the mean of a set of numbers, you have to add them all together and divide by how many numbers you have.
