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klasskru [66]
3 years ago
9

Sara has $1.30 less than double what Billy does. Sara has $53.72. How much money does Billy have?​

Mathematics
1 answer:
lilavasa [31]3 years ago
6 0

Answer:

Billy has $27.51

Step-by-step explanation:

First let's set up an equation to solve this problem.

Assign a variable to Billy's amount. Let's make it x.

Then we just interpret the problem and solve:

2x - 1.30 = 53.72

     +1.30    +1.30

----------------------------

2x = 55.02

(Divide by 2 on both sides)

----------------------------

x = $27.51

2x = Billy's amount doubled

2x - 1.30 = Taking away 1.30 from double Billy's amount

53.72 = Sara's amount

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