3. Michaella's father is twice as old as Michaella. In 20 years, Michaella will be two-thirds as old as her father. How old is Michaella now? How about her father? 4. Bus A leaves Cubao and heads for Legazpi at 300 miles at the same time that Bus B travels 170 miles from Laguna to Legazpi. If Bus A goes 10 miles/hr faster than Bus B, find the rat of each bus. 5. Sonia adds her grades for the first grading period and obtains 18x² + 39x + 18. What is he average grade if she has 3x + 2 subjects?
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Answer:
MATHEMATICS
Problem Solving
A bicycle rider has a speed of 45 kilometers per hour for 4.5 hours. How far did he travels?
●109.2 kilometers
●256.5 kilometers
●202.5 kilometers
●333.3 kilometers
ANSWER:
●202.5 kilometers
SOLUTION:
\begin{gathered}45 \: km \times 4.5 \: hr \\ \\ = 202.5 \: km\end{gathered}
45km×4.5hr
=202.5km
Step-by-step explanation:
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