In October, Greg and Thomas had the same amount of money in their savings accounts. In November, Greg deposited $120 into his ac count. Thomas increased the money in his account by 20%. When they compared their balances, they found that they were still equal. How much money did each person have in his account in October?
2 answers:
Answer:
The answer is 600 for people who don't understand the other answer ( not to be rude, It is a really good answer )
Step-by-step explanation:
Let's give the variable that you are trying to answer for a symbol. Let's call it X.
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D shows equivalent expressions
Divide numerator and denominator by 6:
13x - y = 3 .....(1)
x - 6y = -33 ......(2)
eqn (2) × 13
13x - 78y = -429 .....(3)
(3) - (1)
13x - 78y = -429
13x - y = 3
(-). (+). (-)
_________________
- 77y = 431
_________________
-77y = 431
y = 431 ÷ -77
y = -5.5
9 yards total because the quarterback didnt gain any yards during the second play
