Answer:
She will pay $1,152 in four years?
Explanation:
16% as a decimal is 0.16
Multiply that by the 1800 to get the interest for one year.
0.16×1800=288
288 is the interest for one year, but you need the amount for four years.
Multiply 288 by 4.
288×4=1152
She will pay $1,152 in four years