math
posted by Anonymous on .
•Plywood is sold in rectangle sheets 4 feet wide and 8 feet long. How many 4x8 sheets of plywood are needed to completely cover a rectangle shaped floor measuring 16 feet by 12 feet.

( 16 * 12 ) / ( 4 * 8 ) = 192 / 32 = 6

uinn and Julius inherited $50,000 each from their greatgrandmother’s estate. Quinn invested her money in a 5year CD paying 1.6% interest compounded semiannually. Julius deposited his money in a money market account paying 1.05% compounded monthly. How much total money will Quinn have after 5 years

Initial amount=$50000 rate=0.016 Number of years=5 Amount after 5 years compounded semiannually= 50000(1+0.016/2)^5*2 =50000(1.08)^10 [ =50000*2.16 =108000 Amount after 5 years compounded semiannually=$108000