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Mathematics 9 Online
OpenStudy (calculusxy):

Each child in a certain class is required to have school supplies of 1 notebook and 2 pencils. One notebook costs $1.09 and one pencil costs $0.59. With $15, what is the maximum number of children that can be provided with the required supplies? (Assume no tax.) A. 6 B. 7 C. 8 D. 9 E. 12

OpenStudy (calculusxy):

@jim_thompson5910

OpenStudy (calculusxy):

@geerky42

geerky42 (geerky42):

So for each child, we need 1.09 + 2( 0.59 ) How many 1.09 + 2( 0.59 ) is there in 15?

OpenStudy (calculusxy):

so should i multiply the two and the fifty nine cents and add the product with 1.09. finally, should i divide that by 15?

geerky42 (geerky42):

basically, yeah

geerky42 (geerky42):

so what did you get?

OpenStudy (calculusxy):

3.303.... so basically it is 3 right?

geerky42 (geerky42):

huh? I got 6. let's try again. what's 1.09 + 2( 0.59 )?

OpenStudy (calculusxy):

i got 2.27

geerky42 (geerky42):

me too. now what's 15/2.27?

OpenStudy (calculusxy):

okay i did the mistake and now got 6.

geerky42 (geerky42):

yep. 6 children. is this clear?

OpenStudy (calculusxy):

but the correct answer is saying 12. @geerky42

geerky42 (geerky42):

well, math said 6. are you looking at right answer key?

OpenStudy (calculusxy):

yes the answer key is right there. i wanted to learn how to do it.

OpenStudy (calculusxy):

@geerky42

geerky42 (geerky42):

well, I am sure this is mistake. maybe contact your teacher and have her/him check it?

OpenStudy (calculusxy):

okay thank you @geerky42

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