Answer:
zero
Step-by-step explanation:
If the same sum is received for the sale of 20 apples at price p as is received for the sale of 140 apples at price p, then we must have ...
20p = 140p
120p = 0 . . . . . . subtract 20p
p = 0 . . . . . . . . . divide by 120
The price was zero.
It should be 12×18. 1:3 means you take where it's at, at 1 and multiply it's size by 3.
51 snack in all because 18 + 23 = 51
Proportion can be used to find the height = 0.75
Step-by-step explanation:
A billboard is 27 feet high and casts a 36-foot shadow at noon.
Height of billboard = 27 feet
Height of shadow of billboard = 36 feet

A fir tree next to the billboard casts a 48-foot shadow.
Height of shadow of fir tree = 48 foot

Proportion can be used to find the height = 0.75