IzzybellaRamilo
30.11.2019 •
Mathematics
use a system of equations to solve the word problem. the sum of two numbers is 24. their difference is 14. find the numbers.
a. 5 & 19
b. 7 & 17
c. 10 & 14
d. 6 & 20
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Ответ:
x-y=14
by subtracting them
2y=10
y=5
and for x
x+y=24
x+5=24
x=19
the two numbers are A.5&19
Ответ:
8 uniforms = 12 x 8 = 96 yards of material
15 uniforms = 15 x 12 = 180 yards of material