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3 years ago

89. If x, y, and z are numbers such that xy + xz = 100, what is the value of x/5 (3y + 3z) + 10?

Mathematics

1 answer:

Hunter-Best [27]3 years ago

3 0

Hello,

xy+xz=100==>x(y+z)=100
x/5*(3y+3z)+10=3/5*(x(y+z))+10=3/5*100+10=70

Answer C

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