Answer:
a=28 b=87
Step-by-step explanation:
a-10=18 a=10+18 a=28 b+16=103 b=103-16 b=87
The answer would be $26.45.
What you do is on a calculator: 115 x 23%
Hope this helps :)
Answer:
10.846 hours
Step-by-step explanation:
first you add all the calories= 1410 calories
then you divide 1410 calories by 130 (the calories you can burn in one hour)
your answer is 10.846 which means that it takes 10.846 hours to consume 1410 calories.
Take second equation here,
2x + 9 = -12
2x = -12 - 9
2x = -21
Multiply by 2,
4x = -42
Now, substitute the vaue of 4x in 1st equation,
-42 - y = 2
-y = 2 + 42
y = -44
In short, Your Answer would be -44
Hope this helps!