30% of number A means

similarly, 40% of number B means

These must be equal, so we have

Multiply both sides by 10 to get

So, you can choose any number for A, and then you multiply it by 4/3 to get B. There are infinitely many solutions to this equation.
Answer:
2.5 meters per second
Step-by-step explanation:
75/30 = 2.5
I'd choose 25 because the person who wrote the answers probably forgot to add decimal points
Answer:
d
Step-by-step explanation:
dwdwdwdwdwdwd
The area if the shaded region is 32. The blue squares area is 36 but the part that’s cut off has an area of 4. 36-4 equals 32. So that’s the answer!
Answer: Add the equations to eliminate k
Step-by-step explanation:
Adding the equations, you get 2b=18, which you can solve for b. Afterward, you can substitute this value of b back into either equation to solve for k.