¿Cuál es el interés ganado por un capital de RD$600 000.00 que permanece depositado por un período de 3 años a una tasa de interés compuesto anual de 5 %?

Leo has b boxes of pencils. each box contains 6 pencils. he has a total of 42 pencils. the equation that represents this situation the value of b that makes the equation true the first one is b+6=42,6b=42,b=42+6,or 42b=6 the second one are 7,836 48

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

Asap! i'm not good math and i'm lost.