lovebug1234
lovebug1234 lovebug1234
  • 21-01-2016
  • Mathematics
contestada

I have some questions that need to be answered fast.

1. 42/j = 35/55

Respuesta :

Cortes33
Cortes33 Cortes33
  • 21-01-2016

[tex] \frac{42}{j} = \frac{35}{55} [/tex]

to solve for j first you need to cross multiply;

j × 35 = 42 × 55

35j = 2,310

j = 2,310 ÷ 35 (did the inverse operation)

j = 66

Hope that helps :D

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