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chen donates 15% of his current salary to charity. if his pay is increased by 10% and he still donates 15% of his salary by what % do his charity contributions increase?
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- If initial salary is x, then
initial charity amount = 0.15x
new charity amount = 1.1*0.15*x = 0.165x
% increase in charity = 100*0.015x/0.15x = 10% - 12 years agoHelpfull: Yes(25) No(1)
- let chen salary be rs 100, so intial donates rs 15(i.e 15%of his salary),
After increment of 10 % his new salary is rs. 110. so 15 % of rs110 is Rs16.5.
%increase in salary is ((16.5-15)/15)*100= 10%...... so ans is 10%.......... - 12 years agoHelpfull: Yes(19) No(0)
- let his salary be 100.
15% of 100 is 15 used for his charity.
after 10% increase of his pay,it comes 16.5 rs.
% inc =(16.5-15)/15 * 100 = 10% - 12 years agoHelpfull: Yes(8) No(0)
- it increases by 1%
- 12 years agoHelpfull: Yes(0) No(26)
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