The total amound saved by Molly after the 4 weeks when she gets an allowance of $25 per week and spent $3 each day monday-friday on lunch is $40.
The amount of money which remained unspended or saved is called saving amount. Saving amount is the difference of amount erned and the amount spended.
Molly gets an allowance of $25 per week. The total allowance she get in 4 weeks is,
[tex]A=25\times4\\A=100[/tex]
Now she spends $3 each day monday-friday on lunch. The money spent by her in these 5 days of a week is,
[tex]M_s=3\times5\\M_s=15[/tex]
The money spent by Molly in 4 weeks is,
[tex]M_s=15\times4\\M_s=60[/tex]
As, Molly gets $100 as allowance in 4 weeks and spent $60 in 4 weeks. Thus the amount saved by her is,
[tex]\rm Saving=100-60\\\rm Saving=40[/tex]
Thus, the total amound saved by Molly after the 4 weeks when she gets an allowance of $25 per week and spent $3 each day monday-friday on lunch is $40.
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