Solve for e
d = 1/e + 1/f
Move 1/f to the left side of the = sign
d - 1/f = 1/e
Multiply each side by e
e(d - 1/f) = e(1/e)
e(d - 1/f) = 1
Divide out (d - 1/f)
e(d - 1/f) / (d - 1/f) = 1 / (d - 1/f)
e = 1 / (d - 1/f)
5 1/4
Explanation:
1/2 is equivalent to 2/4
10 divided by 2 is 5
There aren't any solutions. I recommend using MathPapa algebraic calculator for problems like this. Here's the link: https://www.mathpapa.com/algebra-calculator.html
Answer:
30
Step-by-step explanation:
She earned 30$ a week(Brainlyest?)
7. 233
8. 4
9. 6
10. 5
11. 4
12. 7
13. 7
