Answer:
1480
Step-by-step explanation:
5 x 16 x 4 =320. 1,800 - 320 is 1480.
■ Answer:
2 1/2
■ Step-by-step explanation:
9 1/6 - 6 2/3 =
= 55/6 - 20/3
= 55/6 - 40/6
= 15/6
= 2 3/6
= 2 1/2
Answer:

Step-by-step explanation:
Let
and swap x and y:

Then, rearranging for y:



18 t - 18 t * 30% = 18 t - 17 * 0,3 = 18 t - 5,4 t = 12,6 t
A negative number in this wouldn't be applicable.
Johnny started out with $2,745 in the beginning, EARNING (This being the key word) interest each year. Therefore, he comes out with $39,974, not being a negative number.
Hope I helped! ^-^