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The sign shows the equipment rented or sold by a scuba diving store.

  1. Write two expressions to represent the total sales to rent 2 wet suits, 3 air tanks, 2 dive flags and selling 5 underwater cameras.
  2. What are the total sales?

Short Answer

Expert verified
  1. Two expressions are:2×$10.95+3×$7.50+2×$5.00+5×$18.99 and 2×($10.95+$5.00)+3×$7.50+5×$18.99.
  2. Totalsales=$149.35

Step by step solution

01

Part a. Step 1 – Given information.

Given rent of 1 air tank is $7.50, 1 wet suit is $10.95 and rent of dive flag is $5.00.

Also, the rent of underwater camera is $18.99.

02

Part a. Step 2 – Write the 1st expression.

The rent of 2 wet suits =2×$10.95

Rent of 3 air tanks =3×$7.50

Rent of 2 dive flags = 2×$5.00

And rent of 5 underwater cameras = 5×$18.99

So, total sales is:

2×$10.95+3×$7.50+2×$5.00+5×$18.99

03

Part a. Step 3 – Write the 2nd expression.

The expression 2×$10.95+3×$7.50+2×$5.00+5×$18.99can be written as in below.

2×$10.95+$5.00+3×$7.50+5×$18.99

This is the required 2nd expression.

04

Part b. Step 1 – Given information

Given rent of 1 air tank is $7.50, 1 wet suit is $10.95 and rent of dive flag is $5.00.

Also, the rent of underwater camera is $18.99.

05

Part b. Step 2 – Write the expression.

The rent of 2 wet suits =2×$10.95

Rent of 3 air tanks =3×$7.50

Rent of 2 dive flags =2×$5.00

And rent of 5 underwater cameras =5×$18.99

So, total sales is:

2×$10.95+3×$7.50+2×$5.00+5×$18.99

06

Part b. Step 3 – Evaluate the expression.

The expression2×$10.95+3×$7.50+2×$5.00+5×$18.99 can be simplify as in below.

2×$10.95+3×$7.50+2×$5.00+5×$18.99                  =2×$10.95+$5.00+3×$7.50+5×$18.99                  =2×$15.95+$22.50+$94.95                  =$31.9+$117.45                  =$149.35

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