Answer:
x = abc/ (a+b)
Step-by-step explanation:
x/a + x/b = c
Multiply by ab to get rid of the fractions
ab(x/a + x/b) = abc
bx + ax = abc
Factor out an x
x( b+a) = abc
Divide each side by (a+b)
x ( a+b)/ (a+b) = abc/ (a+b)
x = abc/ (a+b)
2+3/5x-1-1/4x
2+3x-1/5-1-x/5
2+3/5x-1-x/5
1+3/5x-x/5
1+2/5x
Answer:
No
Step-by-step explanation:
Simplified ratios are not written in units.
It’s B because 21% of 157 is 32.97 which then you would then add with the 157 people already there and get 189.97 and since you cannot have .97 of a person you round it up to 190
Answer:67
Step-by-step explanation: