Explicación paso a paso:
3. 20 160
35 x
X : 35 × 160 ÷ 20 : 280
4. 150 30
230 X
x: 230 × 30 ÷ 150 : 46
5: 240 48
75 X
x: 75 × 48 ÷ 240 : 15
6. 500 90
300 X
x: 300 × 90 ÷ 500 : 54
7. 36 48
3 x
x: 3 × 48 ÷ 36 : 4
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Explicación paso a paso:
3. 20 160
35 x
X : 35 × 160 ÷ 20 : 280
4. 150 30
230 X
x: 230 × 30 ÷ 150 : 46
5: 240 48
75 X
x: 75 × 48 ÷ 240 : 15
6. 500 90
300 X
x: 300 × 90 ÷ 500 : 54
7. 36 48
3 x
x: 3 × 48 ÷ 36 : 4