It costs 2.50 for 1 taco and 4 dollars for 1 burrito
        
             
        
        
        
X-y=3=>x=3+y
X+2y=-6
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3+y+2y=-6
3+3y=-6
3y=-6-3
3y=-9
y=-3
X+2y=-6
X+2(-3)=-6
X-6=-6
X=0
        
             
        
        
        
Send it to me and I'd be happy to help! :)
        
                    
             
        
        
        
Answer:
A
Step-by-step explanation:
1 1/2 × 3 = 4 1/2
.........
 
        
             
        
        
        
So, we divide 1200 by 25 to find out how many words per minute he types. 1200 / 25 = 48 So, he types 48 words per minute. Now, we multiply this by 45 to find out how many words he can type in 45 minutes. 48 x 45 = 2,160 Joseph can type 2,160 words in 45 minutes!