+0  
 
0
91
1
avatar

A certain restaurant sells cups of coffee for $2 and donuts for $1.50. If the restaurant sold a total of 80 items and earned $141.50, how many donuts did the restaurant sell?

 May 19, 2021

Best Answer 

 #1
avatar+236 
+4

coffee for 2,

donuts for 1.5

 

c = coffee

d = donuts

lets make an equation

c*2 + (80-c)*1.5 = 141.5

from this we get:

 c= 43.

if c = 43, then d is 80-43 = 37.

they sold 43 coffees, and 37 donuts.

 

 

lets check the math

43*2+37*1.5 = 141.5. math checks out

 May 19, 2021
edited by BWStar  May 19, 2021
 #1
avatar+236 
+4
Best Answer

coffee for 2,

donuts for 1.5

 

c = coffee

d = donuts

lets make an equation

c*2 + (80-c)*1.5 = 141.5

from this we get:

 c= 43.

if c = 43, then d is 80-43 = 37.

they sold 43 coffees, and 37 donuts.

 

 

lets check the math

43*2+37*1.5 = 141.5. math checks out

BWStar May 19, 2021
edited by BWStar  May 19, 2021

50 Online Users

avatar
avatar
avatar