Paul leaves from Johannesburg to Limpopo and has to travel 300km to get to his destination: If he travels at a constant speed of 75 km per hour, how many hours will it take him to get there? And if he only has 90 minutes to get to his destination, what speed must he travel to get there on time?

if this is really you s much. i only have 3 points left and i have 2 questions to ask

for this case we must apply distributive property to the following expression:

the distributive property states that:

then, when applying the property we have to multiply the -2 for each term within the parenthesis: