E. Read and answer the following.
1. Rome is twice as old as Mavic, If Mavic is q years old, Jaypee is 2 years older than Rome. Express Jaypee's age algebraically.
2. Aldrin bought 5 pencils and 7 notebooks. A notebook costs PhP. 10.80 more than a pencil. Write am algebraic equation showing that the total amount of the school supplies bought is PhP. 210.00.
1. Rome is twice as old as Mavic, If Mavic is q years old, Jaypee is 2 years older than Rome. Express Jaypee's age algebraically.
2. Aldrin bought 5 pencils and 7 notebooks. A notebook costs PhP. 10.80 more than a pencil. Write am algebraic equation showing that the total amount of the school supplies bought is PhP. 210.00.
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2.
Let's represent notebook as "N"
And pencil as "P"
N + P = 4.50
N + P = 4.50
N = 2P
Given N is equal to twice P, we can substitute that directly into the first equation:
(2P) + P = 4.50
3P = 4.50
P = 1.50
Now that we have P, we can in turn
substitute that into either equation.
N + (1.50) = 4.50
N = 3.00