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I'M OFFERING 20 POINTS AND BRAINLIEST ANSWER FOR HELP . PLEASE HELP QUICK LAST DAY TO TURN IN WORK

IM OFFERING 20 POINTS AND BRAINLIEST ANSWER FOR HELP PLEASE HELP QUICK LAST DAY TO TURN IN WORK class=
IM OFFERING 20 POINTS AND BRAINLIEST ANSWER FOR HELP PLEASE HELP QUICK LAST DAY TO TURN IN WORK class=

Respuesta :

1.if x*.85(15% discount is 1.00-.15)=45 then 45/.85=x=$52.94

2a. Let Seiji=S and Gavin=G 
S=G-30
G+S=600

2b. G+S=600=
G+G-30=600
2G=630
G=315
S=G-30=285