Answer:
Step-by-step explanation:
3a-2b=14 multiply by 3
9a - 6b = 42 (1)
4a+3b=13 multiply by 2
8a +6b = 26 (2)
sum up (1) and (2)
17a = 68
a =4
b=-1
the first few bars are the people who walked fewer than 4,000, so add up the numbers on the side (2 and 5) and you get 7, so a
Answer:
$19
Step-by-step explanation:
you do 6 times 38 and then you do 247 minus 228 and get your answer of 19
Total number of possible outcomes = 36