Gianni deposited money into an account in which interest is compounded monthly at a rate of 4.5%. He made no other deposits or withdrawals and the total amount in his account after 9 months was $1820.30.

How much did he deposit?

$1215

$1225

$1740

$1760

16.9 times 2.85

step-by-step explanation:

let's solve your equation step-by-step.

4x+2=2x+12

step 1: subtract 2x from both sides.

4x+2−2x=2x+12−2x

2x+2=12

step 2: subtract 2 from both sides.

2x+2−2=12−2

2x=10

step 3: divide both sides by 2.

2x

2

=

10

2

x=5

step-by-step explanation:

the ratio of balloons to tables is 5: 2 and the constant variation is 5.

the equation is y=5x