Np is invested at 10% and Nq is invested at 12%. The annual income from these in- vestments is N3800. If these investments are interchanged the annual income will be N3900. Find p and q.

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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No 9
changed, the
Find a two-digit number such that thr
the
the number.
7.
units digit, and twice the number is 2
greater than the number obtained by revers.
ing the digits.
(JAMB)
as his son, now their combined ages amount
to 110 years. How old are they?
(JAMB)
16
9 Np is invested at 10% and Ng is invested at
12%. The annual income from these in-
vestments is N3800. If these investments
are interchanged the annual income will be
N3900. Find p and q.
10 The ages of a man and a woman are in the
ratio 5 : 4. In 12 years' time the ratio of
their ages will be 19: 16.
now?
are they
Transcribed Image Text:changed, the Find a two-digit number such that thr the the number. 7. units digit, and twice the number is 2 greater than the number obtained by revers. ing the digits. (JAMB) as his son, now their combined ages amount to 110 years. How old are they? (JAMB) 16 9 Np is invested at 10% and Ng is invested at 12%. The annual income from these in- vestments is N3800. If these investments are interchanged the annual income will be N3900. Find p and q. 10 The ages of a man and a woman are in the ratio 5 : 4. In 12 years' time the ratio of their ages will be 19: 16. now? are they
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