blaizelange4296
12.10.2019 •
Mathematics
The sum of two numbers is 45 and their ratio is 7: 8 find the numbers
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Ответ:
21 and 24
Step-by-step explanation:
Given the ratio = 7 : 8 = 7x : 8x , where x is a multiplier
The sum of the 2 numbers is 45, thus
7x + 8x = 45, that is
15x = 45 ( divide both sides by 15 )
x = 3
Thus the 2 numbers are
7 × 3 = 21
8 × 3 = 24
Ответ:
50% (52.5-ish) of the flips can be expected to be heads.