I'm certain that part b is essentially the same question as a but it asks for the exact amount of difference in distance which is 28 kilometers. Your estimate would be reasonable since there is no major difference between the estimate and the actual difference.
Answer:
19
Step-by-step explanation:
It's 19
just add 9 to 10
3. The number of Spanish students is 1.5 times the number of French students.
Answer: 5, because if x=5 then the denominator would be equal to 0 which is not possible.
X-5= 20
x-5= -20
Absolute value makes a negative positive, so when you are solving x-5 could have been 20 originally or -20 originally. Solve for both.