Answer:
$75
Step-by-step explanation:
Put the number where the variable is and do the arithmetic:
A = 52 +23 = 75
Debra earns $75 in a week that she sells 23 books.
Step-by-step explanation:
8x-5=9+7x
8x-7x=9+5
x=14
Answer:
Total cost = $111
Step-by-step explanation:
Given:
Total number of oak tree = 3
Total number of elm tree = 1
Each oak tree cost = $23
Each elm tree cost = $42
Find:
Total cost
Computation:
Total cost = 3[Each oak tree cost] + 1[Each elm tree cost]
Total cost = 3[23] + 1[42]
Total cost = 69 + 42
Total cost = $111
