Answer:
The equation is P - 42 = 12
P = 54
Step-by-step explanation:
Answer:
$95.48 was his commission
Step-by-step explanation:
First we need to find what the retail cost of the chest is. If it's marked up 150%, we use 763.84 + 1.5(763.84) which gives us a retail price of $1909.60. If Ben makes 5% on the sale as his commission, then we take 5% of 1909.60 which, in algebraic terms, looks like this: .05(1909.60) which is $95.48
Let

be the amount of pennies received for lawn

. Then,

and

.
We claim by induction that

. The base case is trivial (

is given). Then, we complete the inductive step. If

, we have:

This completes the proof.
Thus,

.
Answer:
A. 
Step-by-step explanation:
÷ 
21 ÷ 7 = 3
28 ÷ 7 = 4