The expression that represents her weekly income is:
180 + 0.03w
Because There are 3 feet in 1 yard, so 3 feet and 1 yard are the same thing, hence a 1:1 ratio.
This basically says that the total money made from tickets will be gretarr than or equal to $1450.
Milk (m) , butter (b)
m + b = 70.4
b = 30.6
m + 30.6 = 70.4
m = 70.4 - 30.6
m = 39.8 mL of milk are needed