4/7 to a percent is about 57 percent.

Because there's one 3 & four 7's .

Because there are two 2's & four 9's
1) credit Card
2) debit card
3) both
4) credit card (maybe)
Hope it helps!! :)
To do this, you cube each section. You cube the 11 and the c^4. 11^3=1331 and (c^4)^3=c^12 (You multiply the 2 exponents). So your answer is 1331c^12