How do you solve -8/63b = -4/5?
1 Answer
Mar 9, 2016
Explanation:
'Attach'the b to the 8 as shown.
(8b)/63 = 4/5 now 'cross multiply'
(8bxx5) = (4xx63) rArr 40b = 252 divide both sides by 40
(cancel(40)b)/cancel(40) = 252/40 rArr b = 63/10