X+y=31.5
x-y=5.25
add 2 equations
x+y+x-y=31.5+5.25
2x=36.75
x=18.375
y=31.5-18.375=13.125
check : 18.375+13.125=31.5, 18.375-13.125=5.25
so
Answer:
18.375 and 13.125
1)5/24
2)1 and 1/3 im not sure
3)1 and 1/3
4)1/7
Answer:
(-4,3)
Step-by-step explanation:
hope this helps :)
Answer:
-15 and 1
Step-by-step explanation:
-15x1=-15
-15+1= -14
Answer:
475
Step-by-step explanation:
Is means equals. We need to change 8% to a decimal. 8% = .08. Of means multiply. X is the unknown number.
38 = .08 * x
Divide each side by .08
38/.08 = .08x /.08
475 = x
The unknown number is 475
