How do i calculate percentage using calc?

1 memory cardcost 7.49. if i buy 4, i get a discount of 10%. what is the discount price? calculator showing 3.75?How do i calculate percentage using calc?
4x7.49=29.96



29.96/100%=0.2996

so 0.2996 is equal to 1%



0.2996x10=2.996



Take 2.996 from 29.96



and you pay 拢26.96



Hope this helps!
I'm not sure how you got 3.75.......



If you get a 10% discount, you end up paying 90% of the total price.



4 memory cards would cost 4*7.49 = 29.96



90% of 29.96: 0.9 * 29.96 = 26.964



Round 26.964 and your discounted price is $26.96How do i calculate percentage using calc?
10% of 7.49 is



.1 x 7.49 = .75



therefore, 75 cent reduction.



7.49 - 0.75 = 6.76
拢7.49 * 4 = 拢29.69 / 10 = 拢2.996 there is not a straight 10% split reductionHow do i calculate percentage using calc?
.10 x 7.49

= ......