Multply both sides of the equation by 7.
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When the variable is in the numerator of a proportion like this, you can solve it by multiplying by that denominator. That multiplication cancels the denominator and gives you the value of the variable.
In general, you multiply by the reciprocal of the coefficient of x. When that coefficient is 1/7, you multiply by 7/1. Of course, you know that 7/7 = 1 and that x/1 = x.
Answer:
30
Step-by-step explanation:
(-) (-) = +
Therefore 15 - (-15) = 15 + 15 = 30
Answer:
Approximately 6 buses
Step-by-step explanation:
If you are wanting know how many vans they are going to need:
26 + 32 -This helps you know how many total kids there are
= 58
58 / 10 -This solves how many buses you'll need
= 5.8 - Round up, and say you need 6 buses.
Answer:
Multiply 6 x 4 then add 10
or do the other way around
Step-by-step explanation:
