Answer:

Step-by-step explanation:
Let the office charge = x
Amount paid by Medicare = ⅞x
Amount paid by Ross = ¼(⅞x) = $262.50
Solve for x

Check:

OK.
The total is $26 with the tip this is a 30% tip
Answer:
Factors of 78: 1, 2, 3, 6, 13, 26, 39, and 78.
Prime Factorization of 78: 78 = 2 × 3 × 13.
Step-by-step explanation:
Answer:
19
Step-by-step explanation:
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