Answer:
135.15
Step-by-step explanation:
let SP be x
sp with vat=sp + vat % of sp
9492=x+13/100*x
x=1039.6
vat=vat% of sp
=13/100*1039.6
=135.15
Answer:
false true true false false
Step-by-step explanation:
use percentage and divide by the number given
To find the number of days, divide the total swam by the average:
Days = 48 / 3.2 = 15
They swam for 15 days.
Their answer is correct so you need explanation?
For problems like this we can use algebra to help us, the farenheight 6 hours ago was:
(2xt)-6=-20
We have to balance the sides out, first we minus 6
2xt=-26
Now we can divide by 2
t=-13
We now know the temperature 6 hours ago was -13