twin brothers, person a and person b, can mow their grandparent's lawn together in 40 minutes. person a could mow the lawn by himself in 18 minutes less time than it would take person b. how long would it take person b to mow the lawn by himself?

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?

Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. add 5 positive x-tiles to both sides and create zero pairs. 2. add 4 negative unit tiles to both sides and create zero pairs. 3. divide the unit tiles evenly among the x-tiles. x =

Me find the value of x each figure.