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PLS HELP ME ASAP FOR 12 and 13!! (MUST SHOW WORK!!!) + LOTS OF POINTS!!!

PLS HELP ME ASAP FOR 12 and 13!! (MUST SHOW WORK!!!) + LOTS OF POINTS!!!-example-1

1 Answer

5 votes
2.5b = 40
Divide both sides by 2.5
b = 16
User Heraldo
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