Answer: 10
Step-by-step explanation:
10+10 = 20
10 x 10 = 100
mi would do another but i supposed to be in class :P
Answer:
Part a) Daniel's age is 2 years
Part b) Kevin's age is 8 years
Step-by-step explanation:
<u><em>The question is </em></u>
Part a) How old is Daniel?
Part b) How old is Kevin?
Let
x ----> Kevin's age
y ----> Daniel's age
we know that
-----> equation A
----> equation B
Equate equation A and equation B

solve for y



therefore
Daniel's age is 2 years
<em>Find the value of x</em>
substitute the value of y in any of the two equations


therefore
Kevin's age is 8 years
The student made a mistake in step 2 because he added it instead of multiplying. So for step 2 the correct answer is 6x-12 =8+2x+6
Answer:
5 units away
Step-by-step explanation:
Answer:
10a+5b-30
Step-by-step explanation:
Apply the distributive law = ma + mb + mc
5 (2a+b-6) = 5 2a + 5b + 5 (-6)
Then Simplify: 5 2a + 5b + 5 (-6)
= 10a+5b-30
Hope this helps :D