OpenStudy (anonymous):

help

3 years ago
OpenStudy (anonymous):

Carpet sells for $4 per square foot and will cost you $840 to recarpet your room. If your room is 14 feet long, how many feet wide is it?

3 years ago
OpenStudy (anonymous):

@amistre64

3 years ago
OpenStudy (anonymous):

im going too give you what I got

3 years ago
OpenStudy (amistre64):

how many 14s are in 840?

3 years ago
OpenStudy (amistre64):

err, thats a 4

3 years ago
OpenStudy (amistre64):

how many 4s are in 840?

3 years ago
OpenStudy (anonymous):

i got w=91

3 years ago
OpenStudy (amistre64):

what is 840/4 ?

3 years ago
OpenStudy (anonymous):

210

3 years ago
OpenStudy (amistre64):

then we have 210 square feet to worry about 14w = 210, what is w?

3 years ago
OpenStudy (anonymous):

15

3 years ago
OpenStudy (amistre64):

then 15 it is

3 years ago
OpenStudy (anonymous):

what I did was 210=28+2w and got w=91

3 years ago
OpenStudy (amistre64):

why would you do that? we want area, not perimeter

3 years ago
OpenStudy (anonymous):

aha sorryyyyy i got them confused :(

3 years ago
OpenStudy (anonymous):

The United States Department of Agriculture reports that 12% of Americans are now on food stamps. If there are 310,000,000 Americans, how many are on food stamps?

3 years ago
OpenStudy (amistre64):

practice makes perfect :)

3 years ago
OpenStudy (amistre64):

if we know 1% then we can scale it to 12% what is 1% of 310 million

3 years ago
OpenStudy (anonymous):

310,000

3 years ago
OpenStudy (amistre64):

1% is just a division by 100 310,000,000 ----------- = 3,100,000 100

3 years ago
OpenStudy (amistre64):

since we know 1%, then 12 1%s is 12% 12*3,100,000 is?

3 years ago
OpenStudy (anonymous):

37200000

3 years ago
OpenStudy (anonymous):

@amistre64

3 years ago
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