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yanalaym [24]
3 years ago
15

Pedro : 80%

Mathematics
1 answer:
jarptica [38.1K]3 years ago
7 0

Answer:

1. 24

2. 4.444... (or 4 rounded to the nearest whole number)

Step-by-step explanation:

1. 80/100 = x/30

<u><em>cross-multiply</em></u>

100 × x = 100x

80 × 30 = 2400

<u><em>divide</em></u>

100x/100 = x

2400/100 = 24

<u><em>answer</em></u>

x = 24

2. 90/100 = 4/x

<u><em>cross-multiply</em></u>

90 × x = 90x

100 × 4 = 400

<u><em>divide</em></u>

90x/90 = x

400/90 = 4.444...

<u><em>answer</em></u>

x = 4.444...

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