.7 is greater because it's a positive and not a negative.
Answer:
Dustin has 18 quarters and 15 pennies.
Step By Step Solution:
(See image above)
Let x be the 1st number
x + 9 be the second number
Equation:
x + x+9 = 171
Solution:
2x + 9 = 171
2x = 171 - 9
2x = 162
x = 81
x + 9 = 90
81 + 90 = 171
Answer:
I wish I knew that answer
Step-by-step explanation: