Answer:
the answer is 28
Step-by-step explanation:
2×4+4+5
8+20
28
Answer:
Hola, asumiremos que el paquete trae "a" caramelos; si come la cuarta parte de los ... Nos dicen que después de comer 1/4 del paquete le quedan 8.osea que sria 12 caramelos
Step-by-step explanation:
Answer:
Everything is correct except for the second one and the ones you checkmarked.
Step-by-step explanation:
12 - x = 20 - 5x
You see that -x and -5x both have an 'x' variable? This means they are 'like' terms. To get -x to the other side, we must add (if like terms are on opposite sides, do the opposite of what the sign says, e.g. - will be +)
12 = 20 - 4x
Now move 20 to the other side. Remember, do the opposite! Since 20 is positive, we must minus 20 to the other side.
-8 = -4x
To get x by itself, you will need to get rid of the coefficient of -4. -4x basically means -4 times x, so the opposite of that would be divide! Divide by -4
2 = x (Since both sides have a negative, they cancel out to give a positive)
x = 2
Step-by-step explanation:
in two months
Decrease of 25%
so you need to do
25%*12 is 3 minutes
Find the difference from 12 minutes
12-3 is 9 minutes.
therefore, his mile time is 9 minutes in two months
