Mark takes 6 friends to play paintball it cost $10.25 to play and $8.75 to rent the equipment, per person. write a number sentence and find the total cost for all 7 people. include units with your answer.

$133

Step-by-step explanation:

Play cost / Per person = $10.25

Cost to rent equipment / Per person = $8.75

Total cost per person = $10.25 + $8.75 = $19

7($10.25 + $8.75) = Total money required for 7 people to play

If 7 people are playing, and the total play cost / Per Person =  $19

1 person = $19

1 x 7 Person = $19 x 7

7 People playing = $133

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second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.