Explanation:
To find interest, multiply the principal (4000) by the rate (7%) and time in years (5).
I = Prt
I = (4000 * 5) * 7/100
I = 20000/1 * 7/100
Use cross cancellation (100 and 20000 have a GCF of 100)
I = 200/1 * 7/1
I = 200 * 7
I = $1,400
Kyle gets $1,400 in interest in this scenario.