misrachel03
22.01.2021 •
Mathematics
The ratio of boys to girls in a class is 4:5 what frqction if the class are boys
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Ответ:
4/9 to 5/9
Step-by-step explanation:
So, out of every 9 students, 4 are boys. Therefore, 4/9 of the students are boys. The ratio of boys to girls is 4:5. So let 4x be the number of boys and 5x be the number of girls.
Ответ:
a = 484
Step-by-step explanation:
a = 2 (wl+hl+hw)
a = 2 (8(9) + 10(9) + 10(8))
a = 2 (72 + 90 + 80)
a = 2 (242)
a = 484