Which is the better unit price: $1.99 for a 3-ounce bottle or $2.49 for a 4-ounce bottle?

The second option, $2.49 for a 4-ounce bottle.

Step-by-step explanation:

For the first option:

$1.99 for 3 ounces.

For 1 ounce,

For the second option:

$2.49 for 4 ounces.

For 1 ounce,

Since 0.6225 is cheaper/less than 0.6633..., the second option is better as you can get one ounce at a cheaper rate.

just sum

10 + 10 = 20

answer: the answer is one

step-by-step explanation:

pemdas, in this situation there is no parenthesis or exponents so you go to multiplication, 1x1=1, then division 1/1= 1 then addition 1+1=2 then subtraction 2-1=1