Use the Simple Interest Formula, I = prt where I is the amount of interest, p is the principal (amount invested), r is the interest rate as a decimal, and t is the time in years. I = 1500(.05)(4) I = 300 Isaac's investment earns $300 interest.
Step-by-step explanation: Since a triangle's area is b times h/2, we know that two times 48 is 96, therefore we can opposite the equation so 12 is the base times the height (8 cm) is 96 divided by 2, there's your answer.
