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John works in a school and is paid by the hour.  His hourly rate of pay is 

$16

.  What is the maximum possible number of hours he works in a day if he earns less than 

$170

 daily?

 Apr 10, 2015

Best Answer 

 #2
avatar+118687 
+5

Nice answer MG,

 

Another answer:

 

you could just say     $${\frac{{\mathtt{170}}}{{\mathtt{16}}}} = {\frac{{\mathtt{85}}}{{\mathtt{8}}}} = {\mathtt{10.625}}$$

 

So he can work 10 full hours OR any number of hours just short of 10.625 hours  :)

 Apr 10, 2015
 #1
avatar+4711 
+5

Well if he earns $16 per hour.

 

We count in 16's until 170.

 

16,3248,64,80,96,112,128,144,160,176

 

So, it'll take 10hrs. to earn $160.

 Apr 10, 2015
 #2
avatar+118687 
+5
Best Answer

Nice answer MG,

 

Another answer:

 

you could just say     $${\frac{{\mathtt{170}}}{{\mathtt{16}}}} = {\frac{{\mathtt{85}}}{{\mathtt{8}}}} = {\mathtt{10.625}}$$

 

So he can work 10 full hours OR any number of hours just short of 10.625 hours  :)

Melody Apr 10, 2015

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