If you spend 1/4 of your salary during the first week of the month and 20% of it during each of the ...

If you spend 1/4 of your salary during the first week of the month and 20% of it during each of the coming 3 weeks, what part(fraction) of your salary will leave unspent at the end of the month?

Quiz

Answer/Solution

3/20

Steps/Work

Solution:
1/4+3(20/100)=1/4+3/5=5+12/20=17/20
The sallary that will be spent = 17/20
Unspend will be = 1−17/20 =20−17/20 =3/20
Answer B

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If you spend / of your salary during the first week of the month and % of it during each of the coming weeks, what part ( fraction ) of your salary will leave unspent at the end of the month?

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