Answer:
Step-by-step explanation:
RT × TS = PT × TQ 
 
        
             
        
        
        
Answer: $42.60
Step-by-step explanation:
Original price: p
Discount: 30%
Sale price: 29.82
p x 0.7 = 29.82
p = 29.82/0.7 = 42.60
 
        
             
        
        
        
5 packs of stamps and 7 packs of envelopes. There will be a total of 70 envelopes and stamps.
        
             
        
        
        
X. 0,2,6,4,8,10
Y. 2,0,2,4,6,8
It’s how far the number is from zero