B+c=7
a+b=5
a×b+b×c=18

a=?
b=?
c=?
p. s! i don’t speak englesh fluently because i’m romanian and i use google translate.

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

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