On the last day of summer camp, the campers voted for either hot dogs or spaghetti as the final dinner. For every 5 campers who voted for hot dogs, there were 4 who voted for spaghetti. If there were 72 campers in all, how many voted for hot dogs?

For what value of x does 4x = (1/8) x + 5?

Stacey filled her 1/2 cup of measuring cup seven times to have enough flour for a cake recipe how much flour does the cake recipe calls for

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.