31.4 you have to add 18.1 and 13.3
Assuming the flights are in straight lines, then distance from London after the second flight is 1000-500=500 miles.
This is the concept of algebra, we are required to right an expression that Tamkeea will have to make in order to get her original amount back;
Let y be the original amount and x be the amount that remained after she spent $28. The original amount can therefore be recovered using the model given by:
original amount=[amount spent]+[remaining amount]
y=x+28
Answer:
x=2
Step-by-step explanation:
2(x-4)+7=3
2x-8+7=3
2x-1=3
+1 +1
2x=4
/2 /2
x=2
