a recipe calls for 2 cups of flour for every 1/4 cup of raisins. if 1 1/2 cups of raisins were used, how many cups of flour should be added

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

What is the base of 1/9 to the power of 2

Which geometric principle is used to justify the construction below?