Let m be the distance (in miles) she runs in a month
and w be the distance (in miles) she runs in a week
since the total distance she run in a week is one third of what she run in a month, in equation form
w = m/3
to calculate the distance she run in a month,
m = 3w
m = 3(6 miles)
m = 18 miles in a month
As she gave out the reds in groups of 13 and the blues in sets of 20, our answer has to be divisible by both of these!
think of it like finding the lowest common denominator for a fraction!
in this case, the lowest number both go into is 260 (13X20)
1.80 per lb for 100 lbs = 1.80 * 100 = 180
1/10 * 180 = 180/10 = $ 18 <==
Answer:
3/4 gallon
Step-by-step explanation:
Write and solve an equation of ratios:
1/4 gallon 1/3 fence
---------------- = ----------------------
x 1 whole fence
Then (1/4)(1) = (1/3)(x). Multiplying both sides by 3 to isolate (solve for) x, we get:
3/4 gallon = x = the amount of paint needed to cover the entire fence
