Two little dogs are 100 meters apart on the same path and start running towards each other. Dog A has a speed of 4 meters
per second. Dog B has a speed of 6 meters per second.
How many seconds will it take for the dogs to bump into one
another? Enter your answer to the nearest whole number.
seconds

Idon’t feel like doing the math but you need to do 2.24 divided by 7

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.