Answer: 60 miles
Step-by-step explanation: if 40-20=20 and your trying to figure out how many miles is traveled in 1.5 miles then you add 40 and 20 which gives you 60 miles
Diffference between a and b
a-b
a. addition and subtraction
subtraction is adding, but going backwards in oposite direction
b. negative, go to left, postive go to right
c. if negative is more than positive, then ending sign is negaitve
if positive is more than negative, then sign is positive
You distribute the 30x to the equation in parenthesis
So basically you are doing (30x*x)+(30x*-3)
So you get 30x^2-90x
Hope this helps!
Answer:
Step-by-step explanation:
6x
Make them both improper fractions.
77/10 - 19/5
Give them common denominators (multiply the second fraction by 2)
77/10 - 38/10
Subtract
39/10 = 3 9/10
