200 * 33/40 = 165 owns phones
165 * 10/11 = 150 owns phones and MP3 player
Therefore 3/4 owns both and
165 owns only phones
Answer:
5
Step-by-step explanation:
3+2x = 4x-7
3+7=4x-2x
x=5
6 one-dollars = $6 15 five-dollars = $75 9 ten-dollars = $90 Add them
all up to get $171, so that is correct. Add the number of one-dollar
bills and the number of ten-dollar bills together. 6 + 9 = 15, which is
the number of five-dollar bills, so that is correct as well. Add all the
numbers of bills together, 6 + 9 + 15 = 15 + 15 = 30.
Answer:
divide the 32 by 4:
then the equation becomes:
8 x 9 x 5 = 360
this is the same as 32 x 9 x 5/4 = 360
