Question

4. This month Chiz earned only
of his earnings last month. If his earning
last month is P12,600. How much did he earn this month?
5.
In Baguio City a horse ride costs P120.00 per person for the first 30
minutes and P50.00 for every additional 10 minutes. If you spent P270.00
for a horse ride, for how long did you ride?​

Answer 1

Given : In Baguio City a horse ride costs P120.00 per person for the first 30

minutes and P50.00 for every additional 10 minutes

 spent P270.00 for a horse ride

To Find : how was  long  ride?​

Solution:

costs P120.00 per person for the first 30 minutes

P50.00 for every additional 10 minutes

Let say additional 10 minutes were n

Then cost for  10n  minutes  = 50n

Cost for initial 30 minutes = 120

Hence cost for  30 + 10n  minutes = 120 + 50n

120 + 50n = 270

=> 50n = 150

=> n = 3

30 + 10n  minutes  = 30 + 10 (3)  = 60 minutes = 1 hrs

This month Chiz earned only 3/4 of his earnings last month.

his earning last month is P12,600.  

earn this month = (3/4) 12600  = 9,450

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Answer 2

Given :- In Baguio City a horse ride costs P120.00 per person for the first 30 minutes and P50.00 for every additional 10 minutes. If you spent P270.00 for a horse ride, for how long did you ride ?

Answer :-

Let us assume that, total ride is of x minutes .

so,

→Fixed cost for each person for first 30 minutes cost = P120.00

now,

→ Left time = (x - 30) minutes .

so,

→ Cost for rest every additional 10 minutes = P50.00 .

→ cost for additional 1 minute = (50/10) = P5.00

then,

→ cost for left time = P 5(x - 30) .

A/q,

→ 120 + 5(x - 30) = 270

→ 120 + 5x - 150 = 270

→ 5x - 30 = 270

→ 5x = 270 + 30

→ 5x = 300

→ x = 60 minutes = 1 Hour. (Ans.)

Answer 2) :-

→ Chiz earing last month = P12,600 .

→ Chiz earing this month = (3/4) of earing last month .

so,

→ Chiz earing this month = (3/4) of 12600 = (3/4) * 12600 = P 9,450 (Ans.)

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