Acan containing 3 tennis balls has a volume of 128/9 pi cubic inches. what is the diameter of each tennis ball?
3x is the amount of money she makes for every extra hour of service.
5 is the initial amount of money she's paid
1. rewrite the percent as decimal. divide it by 100, as following:
3. now, knowing that baby blankets sell for $29.99 after a markup rate based on cost of 109%, you can write the following expresion:
where x is the cost.
4. you must solve for x, then, you obtain:
5. the markup is:
0.4. x 0.4 x 0.4
we are multiplying 3 of the number .4 's together
the number 3 is the exponent