There are 14 questions on a test for a total score of 50 points. Each multiple-choice question is worth 3 points and each descriptive type question is worth ​​​​​​​4 points. Select the correct answers from the drop-down menus to complete the sentence

unknown: too many unsolved variables

Step-by-step explanation:

im sorry, there needs to be more info to solve this problem, the amount of each type of test is unknown, wich is a key piece of info, if you could please tell me that last little bit of info along with anything else tied to this task in a comment, i will edit this to show the correct answer

answer: need picture of problem

step-by-step explanation:

step-by-step explanation:

the original amount doesn't ''re just looking for the time it takes for 1/2 of the substance to we have

(1/2) =)     take the ln   of both sides

ln (1/2)   = )   and we can write

ln(1/2) = ) lne     and lne   = 1     so we have

ln(1/2) = -.1092t     divide both sides by -.1092

t = ln(1/2)/-.1092 = about 6.347 days = about 6.3 days (rounded)