Lonnie purchased three sweaters and two shirts for $130. If the sale price of a shirt was five dollars less than the sale price of a sweater, how much did each item cost Lonnie.

A sweater cost Lonnie $28

A shirt cost

A shirt cost Lonnie $23

Step-by-step explanation:

Let x represent the cost of one sweater.

Let y represent the cost of one shirt.

Lonnie purchased three sweaters and two shirts for $130. This means that 3x + 2y = 130 - - - - - - - - - - - - - 1

If the sale price of a shirt was five dollars less than the sale price of a sweater, it means that

x = y + 5

Substituting x = y + 5 into equation 1, it becomes

3(y + 5) + 2y = 130

3y + 15 + 2y = 130

5y = 130 - 15

5y = 115

y = 115/5 = 23

x = y + 5 = 23 + 5

x = 28

answer: the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.

step-by-step explanation:

the given rate of interest i= 85%

in calculating the monthly payment for a loan with an interest rate compounded monthly, the value of the interest rate per period we use in the formula must be in decimal form.

to convert it in decimal, we divide it by 100, we get

hence, the value should be used for i in the formula of calculation the monthly payment , the interest rate per period is 0.85.