The sum of two numbers is 58. the first number is 8 less than half the second number. let c represent the first number. let drepresent the second number. which statements about solving for the two numbers are true? check all that apply. the equation  represents the sum of the two numbers. the equation  represents the sentence “the first number is 8 less than half the second number.”the equation  represents the relationship between the two numbers. the equation  represents the sum of the two numbers. the number d is 14.the number c is 44.the number c is 14.the number d is 44.
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