3 yrs ago:
Alice - x
Jane - 3x
Fast forward 2 years... 1 year ago:
Sum of their ages = 62
Equation to solve: x + 3x = 62
4x = 62
----- -----
4 4
x = 15.5
From this, we can deterime that Alice is 15 1/2 years old.
Then, plug in 15.5 for x in 3x to find Jane's age.
15.5 × 3 = 46.5
From this, we can determine that Jane is 46 1/2 years old.
I hope this helps you to understand this problem better.
Note: complementary angles are two angles whose sum is 90⁰
30 degrees is the measure of y.
Hi
35=7+4b in two steps
Step 1 ) Simplify both sides of the equation
35=4b+7
Flip the equation
4b+7=35
Step 2) Subtract 7 from both sides
4b+7-7=35-7
4b=28
b=28/4
b= 7
I hope that's help and have a great night :)