Answer:
A=143
Step-by-step explanation:
It is addition and subtraction here, so you will add the money into the bank account. If you also need B and C, it is -86 for B and 86 for C respectively
Steps:
37-(x+8)=32
Subtract 37 from both sides
37-(x+8)-37=32-37
Simplify
-(x+8)=-5
Divide both sides by -1
-(x+8)/-1=-5/-1
Simplify
x+8=5
Subtract 8 from both sides
x+8-8=5-8
Simplify
x=-3
Let's round the numbers into perfect roots. So 23 rounded would be 25, because the square root of 25 is 5, and 47 rounded is 49, because the root of 49 is 7. So 7-5=2. That would be the best approximation for this question.
Answer:
15 seconds
Step-by-step explanation:
Because the split id 25% and 75%, we could create another average pretending that there are four kids, one who ran in 12 seconds, and three who ran in 16.
Equation for averages: (a₁ + a₂ + a₃ + ... 
)/ n
Plug in:<em> (12 + 16 + 16 + 16)/4</em>
Add: 60/4
Divide: 15 seconds
