Answer:
the answer is 10
Step-by-step explanation:
Answer:
68
Step-by-step explanation:
12 + 5 = 17
17 x 4 = 68
Andrea's monthly allowance is $68.
The answer is 8
Order of operations:(Please Excuse My Dear Aunt Sally)
Parentheses
Exponents
Multiplication
Division
Add
Subtract
When it comes down to multiplication and division you do whichever comes first , left to right same with add and subtract so..
Step1: 2 squared = 4
Step2: 4/4=1
Step3: 1x10=10
18-10=8 . Final answer is 8
10 marbles, 15 marbles, 25 marbles