Answer:
Elga is 38
Step-by-step explanation:
Alvin is 29
38 + 29 = 67
Answer:
The factors of the given equation are:
Step-by-step explanation:
We have :
Using middle term splitting theorem to factorize the expression :
The factors of the given equation are:
Answer:
35 is the answer to #8 I believe.
Answer:
4620
Step-by-step explanation:
Trini took 74 photos
<em><u>Solution:</u></em>
Given that Trini took some photos
The number of photos she took is a two-digit number
Let the number in unit place be x and the number in tens place be y
Then the two digit number is yx
Given that sum of digits is 11
Therefore,
x + y = 11 ---- eqn 1
The tens digit is 3 more than the ones digit
Therefore, we frame a equation as,
y = 3 + x ---- eqn 2
<em><u>Solve eqn 1 and eqn 2 to get value of "x" and "y"</u></em>
Substitute eqn 2 in eqn 1
x + 3 + x = 11
2x + 3 = 11
2x = 11 - 3
2x = 8
x = 4
Substitute x = 4 in eqn 2
y = 3 + 4 = 7
Thus the two digit number is 74. Thus he took 74 photos
