Edward has $400 more than Robert. After Edward spends $60 on groceries, he has three times more money than Robert. How much mone
y does Robert have?
2 answers:
Answer: 170
Step-by-step explanation:
We can set up simultaneous equations such that:
E = R+400
E - 60 = 3R
Solving gives R = 170 and E =570
Answer:
Robert has $140
Step-by-step explanation:
400 - 60 = 420
420/3 = 140
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