A tire dealer sells 2 tires for as much as he paid for 3 tires. He paid $240 for

Question

A tire dealer sells 2 tires for as much as he paid for 3 tires. He paid $240 for a dozen tires. What is the total profit on 12 tires? What will the last payment be to pay off a $1,250 computer plus 8% sales tax with monthly payments of $120? 6. O 120 O 180 ? 240 O 360 ? 385 O 10 O 11 ? 12 O 20 ? 30 8. The missing number in the series 9, 6561, 43046721 is: Four people in a room. Each shakes hands with each of the others once. How many handshakes are there? 7. O 10 O 12 O 16 O 22 ? 81 O 25 O 62 O 31 O 18

Explanation / Answer

5. for 12 tires, total amount paid is 240.

for 3 tires, total amount paid is (240/12) X 3 = 60

so, for 2 tires he earns 60.

for 12 tires he earns 360.

total profit = selling price-buying price

360-240 = 120

7. There will be 6 shake hands.

let A, B,C,D are 4 persons.

A with B,c,D --- 3 shake hands

B with C, D---2 shake hands

c with D---1

total 3+2+1 = 6

8.

The series is a square series, the missing number is 92 = 81 is the answer

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.