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Tue 18 Feb, 2014 08:02 pm
A brick balances on a scale with three quarters of a brick and three quarters of a pound. Calculate weight of the brick. Thanks.
@Randy Dandy,
1 brick = 3/4 brick + 3/4 pound
@markr,
markr,
I understand that but how do you use that to determine actual weight? Thanks.
@Randy Dandy,
What answer do you get Randy Dandy?
@Randy Dandy,
That's not correct.
B = 3/4 * B + 3/4
subtract 3/4 * B from both sides to get
1/4 * B = 3/4
multiply both sides by 4 to eliminate the fractions to get
B = 3
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