Question

cat costa 90 metri patrati de boldest daca 3 metri patrati costa 29 lei

Answer 1

$3 \: {m}^{2} \: ..... \: 29 \: lei \\ 90 \: {m}^{2} \: ..... \: x \: lei$

$x = \frac{29 \times 90}{3} = 29 \times 30 = 870 \: lei$