Acostume designer is preparing costumes for 22 dancers . she pays 373.78 for all of the materials. she also buys gloves for all of the dancers. each pair of gloves cost 4.30.how much is a costume designer experience for each dancer.

  $21.29 per dancer

Step-by-step explanation:

The materials cost $373.78 for all 22 dancers, so the cost per dancer is ...

  $373.78 / 22 = $16.99

Adding the $4.30 cost of gloves to that brings the total for each dancer to ...

  $16.99 +4.30 = $21.29 . . . . for each dancer

n=9

step-by-step explanation:

7 times a number = 7n

decreased by 13 = 7n-13

same as is =

5 times the number = 5n

increased by 5 = 5n+5

7n-13 = 5n+5

2n=18

n=9