Answer:
x=9
Reverse. 14-5=9, so x must be 9.
240 days is 4 times the half-life, which means that a sample of 1000 mg will decay to
after 240 days.
Please read the attached file
Easiest way to work it out is to divide by ten, that gives 10% of your original number. Multiply that by two to get 20% and minus that from the original number to get the discount.
450/10 = 45 which is 10% of 450.
20% of 450= 10% x 2 or 45 x 2
therefor 20% of 450 is 90.
450-90 = the discount the shoppers recieve.
Answer:
0.375
Step-by-step explanation:
510 male out of a total of 1360
510/1360 = 0.375
