3 years ago

HELP pls again.....

Mathematics

2 answers:

True [87]3 years ago

7 0

Answer:

The choice C 31

Step-by-step explanation:

$\frac{21}{x} = \frac{105}{155} \\ 105x = 21 \times 155 \\ 105x = 3255 \\ \\ x = \frac{3255}{105} \\ \\ x = 31$

pogonyaev3 years ago

5 0

Answer:

105× X =21×155

105x= 3255

x=3255/105

x=31

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HELP pls again.....​

HELP pls again.....