4 times a number increased by 10 is no less than 18, whats the equation please i need it less than 10 mins and pleasse dont put fake answer will get reported

Item 8 an account earns simple interest. $700 at 8% for 6 years a. find the interest earned. $ b. find the balance of the account. $

Do you mind if you guys me with this question i’m on number 8

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of