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castortr0y [4]
3 years ago
14

A summer camp has divided its campers into 8 groups of 9 campers.How many campers are at the summer camp?

Mathematics
2 answers:
Dominik [7]3 years ago
8 0
8 groups times 9 campers equals 72 total campers. (8 x 9 = 72)
nalin [4]3 years ago
5 0
72 because 8×9=72 and if you flip that around it is 72÷8=9.
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The automatic opening device of a military cargo parachute has been designed to open when the parachute is 200 m above the groun
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Marta_Voda [28]
Solve the following system using elimination:
{7 x + 2 y = -19 | (equation 1)
{2 y - x = 21 | (equation 2)

Add 1/7 × (equation 1) to equation 2:
{7 x + 2 y = -19 | (equation 1)
{0 x+(16 y)/7 = 128/7 | (equation 2)

Multiply equation 2 by 7/16:
{7 x + 2 y = -19 | (equation 1)
{0 x+y = 8 | (equation 2)

Subtract 2 × (equation 2) from equation 1:
{7 x+0 y = -35 | (equation 1)
{0 x+y = 8 | (equation 2)

Divide equation 1 by 7:
{x+0 y = -5 | (equation 1)
{0 x+y = 8 | (equation 2)

Collect results:
Answer: {x = -5, y = 8
8 0
3 years ago
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