Solve the equation 6/7x-11/42=1/7x-5/6

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2