Benny bought nine new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There ar
e now only 35 cards left. How many did Benny start with??
Please give expression and step by step ❤️❤️
2 answers:
So you add 35 plus 35 which is 70 and to check your answer you just have to divide 70 by two, hope that helps!
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Product is multiplication:
x * (x+2) = 201
x^2 +2x = 120
x^2 + 2x -120 = 0
(x+12) (x-10) = 0
x = -12 and x = 10
-12 x -1 = 12
the 2 numbers are 10 and 12
So k=katie's' age
m=mara's age
k is 2 times as old as m
k=2m
sum is 24
add means sum
k+m=24
so we have
k+m=24 and
k=2m
subsitute
2m+m=24
add
3m=24
divide both sides by 3
m=8
subsitute again
k=2m
k=2(8)
k=16
katie=16
mara=8
Answer:
This cannot be simplified any further. That is the simplest you'll get.
Answer:
x = 15
Step-by-step explanation:
3x− 12 = 2x+ 3
3x-2x-12 = 3
x = 3+12
x=15
hope this helps! :)
Answer:
I Cant See
Step-by-step explanation:
