PROBLEMAS CON SISTEMAS DE ECUACIONES

- La diferencia de dos números es 3 y si el doble del numero menor se suma con el mayor, la suma es 15. Hallar los números.

- Con $24 se puede comprar 10 libras de azúcar y 10 de frijol y con $9 se puede comprar 5 libras de azúcar y 3 libras de frijol. ¿Cuanto cuesta la libra de azúcar y frijol?

Aye asap pls ! markin da brainiest too ! btw da step choices are all add, distribute, divide, n subtract

At river bank, checking account customers earn 0.75% interest a month on their account balances, pay no service fees for writing checks, and pay a monthly $2.00 financial charge. calculate the income earned in one month on the checking account for a customer with an account balance of $1,000. a. $4.25 b. $5.50 c. $6.75 d. $7.25 checking account earnings at baker’s bank are expressed by the equation: i = -0.09x + 10.2. while the earnings at elite bank are modeled by: i = -0.02x + 7.5. in both cases, x is the number of checks written. at what number of checks will elite bank start generating more checking account income than baker's bank? a. 12 b. 25 c. 39 d. 42 emilio’s checking account had a balance of 728.32 at the beginning of the week. he wrote checks for the following amounts throughout the week: $99.48, $33.50, $18.23, and $72.05. he also deposited his paycheck in the amount of $1,109.90. what is his account balance at the end of the week? a. $1,192.35 b. $1,222.86 c. $1,540.52 d. $1,614.96

What is the value of x? enter your answer in the box.