step by step solution for an increase in the speed of the car by 10 km per hour saves one hour in a journey of 200 km , find the initial speed

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:

113.42

i hope that is right.

step-by-step explanation: