31.5 pencils used in 1 hour
Move variable to left hand side and change its sign, divide both side of the equation by 0.504
Hey there,
Your question states: a+b.
I hope I'm understanding this right, but a+b would = ab.
Hope this helps
Answer: 3 ounces of nuts
(1/4) / (1/12) = x / 1 cross multiply
1/4 = 1/12 x divide both sides by 1/12
x =1/4 / 1/12
x =1/4 x 12/1
x =12/4
x = 3 ounces of nuts.
It's for <em>n</em> = 1, 2, 3, …