3 years ago

A group of 195 students did a community service project.

Mathematics

1 answer:

sp2606 [1]3 years ago

6 0

Answer:

Step-by-step explanation:

x+y=7

x=7-y

So x=7-y

Put this in 5(7-y)+45y=195

35-5y+45y=195

35+40y=195

40y=195-35

40y=160

y=160/40

y=4

So I know you just want the answer now.. so it’s just (3,4) your welcome

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