Carlo has 52 coins some are 1-piso coins and some are 5-piso coins if he has a total of php136.00 how many 1-piso coins and how many 5-piso coins does he have? execute the plan

9514 1404 393

Step-by-step explanation:

Let x represent the number of higher-value coins. Then the total value is ...

  5x +1(52 -x) = 136

  4x +52 = 136 . . . . . . . . simplify

  4x = 84 . . . . . . . . . . . subtract 52

  x = 21 . . . . . . . . . . divide by 4

Carlo has 21 5-piso coins, and 31 1-piso coins.

x =-.20752

step-by-step explanation:

4^(x+2)=12

4^(x+2)=12

take the log base 4 on each side

log 4 (4^(x+2) = log 4(12)

we know log b(a^y) = y log b (a)

(x+2) log 4(4) = log 4 (12)

x+2 = log 4 (12)

we know   logb c = loga c/loga b

we want to convert to base 10   so a = 10

by default, we do not write the 10   c = 4   and b = 10

log4 10 = log 12/log 4

log4 10 = log 12/ log 4

x+2 = log 12/ log 4

subtract 2 from each side

x +2 -2 = log 12/ log 4 -2

x = 1.79248125 -2

x =-.20752