If Jim saved a total of $90 in 3 weeks, how much did he save in week 2?
1) Jim's average savings for the first 2 weeks were $20
2) Jim's first week's savings were half of his savings in week 2 and a third of his savings in week 3
Let F be Jim's first week savings, S for second week and T for third week.
Can Stmt 2 be interpreted as F = (S/2) + (T/3)?
Rather, can somebody explain, what are the rules for interpreting statements to correct equations, especially for the statement above?
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