do it yourself
Step-by-step explanation:
r=kw
r=12w
42 = 12*w
divide by 12
42/12 =w
3.5 = w
Answer:
29.6666666667
Calculator
well you need to find 25% of 72
=$18
4.05+4.05+12.9=21
Take 21 subtract 12.9 first, then you take the leftover number which is 8.1 then divide it by 2 giving you 4.05.
