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Mathematics 22 Online
OpenStudy (anonymous):

Will give Medal! Cormac is making 29 phone calls each week as part of a fundraiser. Last week, he made 11 phone calls on weekdays. Which equation could be used to find x, the number of phone calls he made last week on weekend days? 29x = 11 x + 29 = 11 11 + x = 29 x - 29 = 11

OpenStudy (ganpat):

Do you wanna try ?

OpenStudy (anonymous):

Sure but I not that great at this stuff...

OpenStudy (ganpat):

call on weekend + call on weekday = Total calls in a week can you fill up the figures from given question?

OpenStudy (anonymous):

Oh so the second one?

OpenStudy (ganpat):

i don`t think so.. can you tell me what did you do ?

OpenStudy (anonymous):

Oh sorry I messed up there I meant the 3rd one cause the x amount of numbers + the weekday amount = to 29 which is the total amount. Is that right?

OpenStudy (ganpat):

yup.. 11 + x = 29..

OpenStudy (anonymous):

Yay! thank you! I have another question if you don't mind answering it.

OpenStudy (ganpat):

Sure, go ahead.. I would appreciate if you understand the logic behind it..

OpenStudy (anonymous):

Ok Riley is saving up to buy a new television. She needs a total of $956.18. Riley has saved $200.68 already and earns $75.55 per week at her job. How many weeks does Riley need to work to save enough money to buy the new television? 8 11 10 9

OpenStudy (anonymous):

I is not easy for me but I think you have to divide.

OpenStudy (anonymous):

It*

OpenStudy (ganpat):

can you make a equation out of it as we did in 1st question?

OpenStudy (ganpat):

taking 'x' as number of weeks

OpenStudy (anonymous):

Ok

OpenStudy (anonymous):

x * 75.55 - 200.68 divide by 956.18

OpenStudy (anonymous):

That is probably not right...

OpenStudy (ganpat):

ha haa.. hold on.. no that is wrong.. let me rephrase it..

OpenStudy (anonymous):

Ok

OpenStudy (ganpat):

Total savings + (earnings per week * total weeks) = Total needed now can you try again?

OpenStudy (anonymous):

Oh ok so like... 200.68 + ( 75.55 * x ) = 956.18

OpenStudy (ganpat):

right.. now solve for x...

OpenStudy (anonymous):

My test logged me out again but lets finish this question.

OpenStudy (anonymous):

x = 10

OpenStudy (anonymous):

Are you still there?

OpenStudy (ganpat):

yup.. thats the right answer...

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