Riza is 13 years old now. Her mother will be 3 times as old as her in 3 years time. What was their age 3 years ago?

riza =10 years old

her mom =45years

Riza's age after 3 years

= 13+3

=16 years

so her mother's age

=16×3

=48 years

so Riza and her mother's age before 3 years will be

13–3

=10 years Riza's age

48-(3+3)

48-6

=42 years

Step-by-step explanation:

Hope it helps

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step-by-step explanation:

the options are kind of confusing. i can tell you what i see going on here when i look at the graph.

the class and exam medians are closely related, and it looks like the low outlier on the exam did pull the median lower. [tex][/tex]