A textbook store sold a combined total of 248 math and history textbooks in a week. The number of history textbooks sold was 68 
less than the number of math textbooks sold. How many textbooks of each type were sold?
       
      
                
     
    
    
    
    
    1 answer:
            
              
              
                
                
X = math 
y = history
x + y = 248
x + x - 68 = 248
2x = 316
x = 158
y = 90
There were 158 math textbooks sold and 90 history textbooks sold.
                                
             
         	    You might be interested in
    
        
        
140 bc 100 divided by 4 is 20 and times that by 7
        
                    
             
        
        
        
Y>3 is the correct answer because more than 3 inches of rain fell.
        
                    
             
        
        
        
Answer:
250 of 65% acid
100 gallons of 30% acid
Really sorry if this is incorrect, I had this question on my Lesson 16 test, and I don't know if it's correct or not...
 
        
                    
             
        
        
        
Because there is a zero in the expression 12.34 * 0 * 74.91 the product is 0.
        
                    
             
        
        
        
Answer:
The answer is A
Step-by-step explanation:
Supplementary angles are angles which add up to 180°
∠1 and ∠3 add up to 180°, so they are supplementary.