# Which expressions could complete this equation so that it has an infinite number of solutions? 9x -3(x +8)= A. 6x - 24 <<<<<(I think this is one answer)B. 6(x-3) +6C. 14 +5x -34D 8(x -3) - 2xChrista buys 14 flowerpots. Some are small and cost \$2.40 each. The rest are large and cost \$5.60 each. She spends a total of \$49.60. Which equation models this situation? Let s represent the number of small flowerpots she buys. A. 5.6s + 2.4(s + 14) = 49.6 B. (2.4 + 9.6)(14 – s) = 49.6 C. 2.4s + 5.6(14 – s) = 49.6 D. 5.6s + 2.8(14) = 49.6Mira has \$760 in her bank account and withdraws \$40 each month. Paulina has \$210 in her bank account and deposits \$70 each month. In how many months will Mira and Paulina have equal amounts of money in their accounts? A. 5 B. 7 C. 8 D. 10

2
by Meep

## Answers

The Brainliest Answer!
2014-10-02T18:37:48+05:30

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1. you are correct.

2.let number of small small pots she buys  = s
total cost of small pots = 2.4s
Total number of pots bought  = 14
So number of large pots bought = 14-s
total cost of large pots = 5.6(14-s)

Total cost = 2.4s + 5.6(14-s) = 49.6

3.
Let they have same amount of money in x months.
Mira will have in her account = 760 - 40x
Paulina will have in her account = 210 + 70x
Since both have equal amount,
760 - 40x = 210 + 70x
⇒ -40x - 70x = 210 - 760
⇒-110x = -550
⇒ x = (-550)/ (-110)
⇒x = 5 months
For question 1 is ther another answer that is correct?
A is the only answer.
ok thank you :)
2014-10-02T19:08:46+05:30

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1. Option A.
Any value of x satisfies   6 x - 24 = 6 x - 24.   Other options give only one value of x which the equation will be satisfied.

2.  Option C.  as the total cost is exactly = cost of small and big flowers together.
\$ 49.6 = \$ 2.4 s + \$ 5.6 (14 – s)
evaluating it gives s = 9  and number of other flowers purchased are 5.

3. The difference in savings in bank = \$ 760  - \$ 210 = \$ 550
The amount this difference is reducing every month = \$ 70 + \$ 40 = \$ 100
So in \$550/\$110 = 5 months the amounts will be equal.