One millisecond is 0.001 of a second. The costs for a single run of a computer program are $1.07 for operating-system overhead, $0.023 per millisecond of computer time, and $4.35 for the mounting of a data tape. What is the total of these three costs for 1 run of a program that requires 1.5 seconds of computer time ?
(A) $7.15
(B) $8.87
(C) $28.96
(D) $35.57
(E) $39.92
OA:E.Detailed steps reqd please!
One millisecond is 0.001 of a second
This topic has expert replies
-
- Master | Next Rank: 500 Posts
- Posts: 447
- Joined: Sun Apr 19, 2009 9:08 pm
- Location: Kolkata,India
- Thanked: 7 times
- GMAT Score:670
-
- Master | Next Rank: 500 Posts
- Posts: 121
- Joined: Thu Jun 11, 2009 1:16 am
- Thanked: 4 times
- GMAT Score:720
Well I'll explain in detail but let me tell u the short cut.uptowngirl92 wrote:One millisecond is 0.001 of a second. The costs for a single run of a computer program are $1.07 for operating-system overhead, $0.023 per millisecond of computer time, and $4.35 for the mounting of a data tape. What is the total of these three costs for 1 run of a program that requires 1.5 seconds of computer time ?
(A) $7.15
(B) $8.87
(C) $28.96
(D) $35.57
(E) $39.92
OA:E.Detailed steps reqd please!
Since 1.5 sec= 1500 millisecond and it will be multiplies by 0.023$=34.5$
this is quick calculation so u can easily eliminate answers A,B.C and adding 4.35 and 1.07 will be 5.42 so D can be eliminated too. Then Answer is E.
And for detailed 34.5+5.42=39.92.
Hope its clear?
GMAT/MBA Expert
- Scott@TargetTestPrep
- GMAT Instructor
- Posts: 7223
- Joined: Sat Apr 25, 2015 10:56 am
- Location: Los Angeles, CA
- Thanked: 43 times
- Followed by:29 members
Since 1.5 seconds = 1.5 x 1000 = 1500 milliseconds, the total cost is:uptowngirl92 wrote:One millisecond is 0.001 of a second. The costs for a single run of a computer program are $1.07 for operating-system overhead, $0.023 per millisecond of computer time, and $4.35 for the mounting of a data tape. What is the total of these three costs for 1 run of a program that requires 1.5 seconds of computer time ?
(A) $7.15
(B) $8.87
(C) $28.96
(D) $35.57
(E) $39.92
1.07 + 0.023(1500) + 4.35 = $39.92
Answer: E
Scott Woodbury-Stewart
Founder and CEO
[email protected]
See why Target Test Prep is rated 5 out of 5 stars on BEAT the GMAT. Read our reviews