Li and Jen went shopping. • Li bought 5 pairs of earrings and 1 necklace for a total of $56.
• Jen bought 1 pair of earrings and 2 necklaces for a total of $40.

Each pair of earrings cost e dollars and each necklace cost n dollars. Which system of equations can be used to find the cost, in dollars, of each pair of earrings and each necklace?
A.
5e + 2n = $56
e + n = $40

B.
5e + n = $56
e + 2n = $40

C.
e + 5n = $56
e + 2n = $40

D.
5e + n = $56
2e + n = $40

3x + 18 = 147°

step-by-step explanation:

3x + 18 = 147°, because the value of the central angle is equal to the value of the arc formed by it.

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7 ft 6 in means 7 1/2, because 6 in is 1/2 of a foot. 7 ft 8 in means 7 2/3 because 8 in is 2/3 of a foot. 23/3 = 7 2/3. 15/2 = 7 1/2.

23/3   *   15/2   = 57 1/2

step-by-step explanation:

answer: 2 answers

step-by-step explanation: the first one means to spread the product throughout the marketplace such that a large number of people can buy it.  

the second means the process of making a product or service available for the consumer or business user that needs it.

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