10=2x5
60=2x2x3x5
2x2x5x3=60
i think to do this you need lcm but im not sure
Answer:
8 to 18
Step-by-step explanation:
8 to 18
Answer:
nwhbjwhr
Step-by-step explanation:
ewrwrwrwewe
the whole exam will be 100%, and let's say that's "x" questions, but we also know that 9 is 60% of that so
![\bf \begin{array}{ccll} amount&\%\\ \cline{1-2} x&100\\ 9&60 \end{array}\implies \cfrac{x}{9}=\cfrac{100}{60}\implies \cfrac{x}{9}=\cfrac{5}{3}\implies 3x=45 \\\\\\ x=\cfrac{45}{3}\implies x=15](https://tex.z-dn.net/?f=%5Cbf%20%5Cbegin%7Barray%7D%7Bccll%7D%20amount%26%5C%25%5C%5C%20%5Ccline%7B1-2%7D%20x%26100%5C%5C%209%2660%20%5Cend%7Barray%7D%5Cimplies%20%5Ccfrac%7Bx%7D%7B9%7D%3D%5Ccfrac%7B100%7D%7B60%7D%5Cimplies%20%5Ccfrac%7Bx%7D%7B9%7D%3D%5Ccfrac%7B5%7D%7B3%7D%5Cimplies%203x%3D45%20%5C%5C%5C%5C%5C%5C%20x%3D%5Ccfrac%7B45%7D%7B3%7D%5Cimplies%20x%3D15)
Answer: I think it’s A because 8x5=40
Step-by-step explanation: