Hannah is 1 year old today.
Step-by-step explanation:
Let,
Hannah = x
Biff = y
According to given statement;
y = x+25 Eqn 1
In four years;
y+4 = 6(x+4) Eqn 2
Putting value of y from Eqn 1 in Eqn 2;
Dividing both sides by 5
As x is age of Hannah, therefore,
Hannah is 1 year old today.
Keywords: linear equations, substitution method
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Answer:
Please complete your question! (add more information...)
Step-by-step explanation:
This question is incomplete and therefore cannot be answered.
Answer:
C.
Step-by-step explanation:
You are multiplying $7 by c calculators.
Answer:
50 gram
Step-by-step explanation:
The actual percentage recipe = 100%
Percentage Increase in recipe = 60%
Recipe used as a result of increment = 80 gram
Hence,
100% + 60% = 80
160% = 80g
If :
160% = 80
100% = x
Cross multiply
1.6x = 80 * 1
1.6x = 80
x = 80 / 1.6
x = 50
Recipe required 50 gram
Answer:
40
Step-by-step explanation:
5 / 8 = x / 64
5 / 8 x 64 = x / 64 x 64
5 x 8 = x
40 = x
I hope this helps :)
