-6+(-6)+(-6)+(-6)+(-6)+(-6)+[(-3)+(-3)+(-3)+(-3)+(-3)+(-3)]=(-6)(◻) What's the missing number?
2 answers:
You might be interested in
Answer:
Eva's age is 44 years
Step-by-step explanation:
Let
x ----> Brita's age
y ----> Eva's age
we know that
The sum or their ages 118
so
----> equation A
The difference in age between Brita and her daughter Eva is 30 years
so
----> equation B
Solve the system by elimination
Adds equation A and equation B
<em>Find the value of y</em>
substitute the value of x in any equation
therefore
Eva's age is 44 years