loveb1409
26.07.2019 •
Mathematics
If one card is drawn from a normal deck of cards, what is the probability that the card will be a red card
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Ответ:
Ответ:
x is 21/10
Step-by-step explanation:
3/10 = x/7
Multiply through by the LCM of 10 and 7 which is 70
we have
3/10 × 70 = x/7 × 70
21 = 10x
Divide both sides by 10
We have
21/10 = 10x /10
x = 21/10
Hope this helps you