Answer:
One ounce costs $0.32
Step-by-step explanation:
To find the price of one ounce, divide the total cost by total ounces bought:
3.20 / 10 = 0.32 per ounce
A,c,d is what I got but make sure to double check
Make use of the fact that side lengths in similar triangles are proportional.
.. 30/18 = (20 +x)/20
.. 20*(30/18) -20 = x . . . . multiply by 20, subtract 20
.. 33 1/3 -20 = x . . . . . . . . evaluate the product
.. 13 1/3 = x
There is a higher chance that the dad is right because he is betting on a pretty much 50/50 chance while the mom is betting on a 25% chance
Answer:
15.3 x 10^-4
Step-by-step explanation: