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Difficulty:
15%
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Question Stats:
83% (01:18) correct
17%
(01:41)
wrong
based on 149
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John spent 40 percent of his earning last month on rent and 30 percent less than what he spent on rent to purchase a new dishwasher. What percent of last month's earning did John have left over?
(A) 30%
(B) 32%
(C) 45%
(D) 68%
(E) 70%
hey guys,
could someone solve this problem with step by step explanation, please?
(A) 30%
(B) 32%
(C) 45%
(D) 68%
(E) 70%
hey guys,
could someone solve this problem with step by step explanation, please?
14 Mar 2013, 04:11
Kudos
Bookmarks
musical33
John spent 40 percent of his earning last month on rent and 30 percent less than what he spent on rent to purchase a new dishwasher. What percent of last month's earning did John have left over?
(A) 30%
(B) 32%
(C) 45%
(D) 68%
(E) 70%
hey guys,
could someone solve this problem with step by step explanation, please?
(A) 30%
(B) 32%
(C) 45%
(D) 68%
(E) 70%
hey guys,
could someone solve this problem with step by step explanation, please?
Say John's earning last month was $100.
John spent 40 percent of his earning last month on rent --> $40 on rent;
30 percent less than what he spent on rent to purchase a new dishwasher --> $40*0.7=$28 on the dishwasher.
Left over amount 100 - (40 + 28) = $32.
Answer: B.
Hope it's clear.
14 Mar 2013, 04:15
Kudos
Bookmarks
Bunuel
musical33
John spent 40 percent of his earning last month on rent and 30 percent less than what he spent on rent to purchase a new dishwasher. What percent of last month's earning did John have left over?
(A) 30%
(B) 32%
(C) 45%
(D) 68%
(E) 70%
hey guys,
could someone solve this problem with step by step explanation, please?
(A) 30%
(B) 32%
(C) 45%
(D) 68%
(E) 70%
hey guys,
could someone solve this problem with step by step explanation, please?
Say John's earning last month was $100.
John spent 40 percent of his earning last month on rent --> $40 on rent;
30 percent less than what he spent on rent to purchase a new dishwasher --> $40*0.7=$28 on the dishwasher.
Left over amount 100 - (40 + 28) = $32.
Answer: B.
Hope it's clear.
thank you Bunuel
my problem with this what is the $40*0.7=$28
what is the .7 ?
