Can anybody help me? I promise to give brainliest to the first and right answer!

first one, and the third one

Step-by-step explanation:

Options 2 and 3

Step-by-step explanation:

If there are 2 boys and 5 altogether, means there are 3 girls. The ratio of boys to girls would be 2:3.

Look at all the first and second options as fractions to make things simpler. Simplify the fractions and see which ones are equivalent to 2/3

4/10 = 2/5 FALSE

8/12 = 2/3 TRUE

Options 3, 4, and 5 are comparing boys to all students, so whatever matches the ratio 2/5 is true.

10/25 = 2/5 TRUE

20/30 = 2/3 FALSE

9/15 = 3/5 FALSE

4 packs of water and 7 packs of candy bars

step-by-step explanation:

35x4=140

140/20=7