Answer:

Step-by-step explanation:
Given:
Make the power of '10' equal by shifting the decimal place of any one value.

Taking the '
' common

Adding the values in the bracket gives:

Answer:
A, B
Step-by-step explanation:
Solve by factoring.
$20.95 - $17.50 = $3.45 simple math
It would reduce to 16:15
They both share 4 as a common factor. 4 goes into 64, 16 times and 4 goes into 60, 15 times. Therefore allowing 64:60 to reduce to 16:15