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How to solve percentage math problems?
To solve a percentage math problem, you can easily set up a proportion.
example: What is 13% of 52? x 13 --- = --- 52 100
now cross multiply (do this by criss-crossing and multiply the crisscrossed numbers.) so,
100x=676 /100 /100 x=6.76
6.76 is your answer
A cross section of a standard or nominal two by four board actually measures 1.5 in by 3.5 in. The rought board is 2 in by 4 in. but is planed and dried to the finished size. What percent of the wood is removed in planing and drying?
if shop sells a video recorder at discount of 5% it will make profit of $50.If it sells teh video recorder at a discount of 20% it will make lose of $100.Find the cost price of the video recorder.
Answer is $1000 selling at 95% of 1000 is 950 profit of 50 950-50=900, store kept $50
selling at 80% of 1000 is 800 loss of 100 800+100=900, store had to add $100
if the percentage increase from 108 to 1662 ia the same as the increase from 44 to what number?
how to solve math percentage problems?
105 % 5 =