Alyssa missed 64 questions on her multiple choice science final and earned a grade of 68%. How many total questions were on the final exam?

94 questions

Step-by-step explanation:

is                  %

     =      

of                100

64                68    68 is the percent Alyssa got correct on the exam.

     =          64 is the questions she got wrong of an unknown total.

x                 100   x is the unknown variable. (the total questions on the test)                  

Cross multiply to get this: 64*100 = 68x  

                                               6400 = 68x    (Divide by 68 on both sides)

                           You should get about 94.11 after dividing. You have to round as there cannot be have a question. It should be rounded to 94 questions. There are 94 questions and 64 were missed. To check your work, do 64/94. This should give you about 68% after rounding.

1760 kilometers

step-by-step explanation:

multiply the amount of time the plane took to travel by it's speed

his chances of getting a coin of higher value is 4/19

step-by-step explanation: