She has no more white ribbon because she exchanged it for yellow.
So this is basically a ratio and the form I use to solve these is
Is. = %
Of. 100
So we're looking for 5% of the 350,000 which will be x
X. = 5
350000. 100
Cross multiply
100x=1750000
Divide by 100
X=17500
120 square centimeters i think?
375÷25=15
600÷40=15
so his pay is 15 dollars per hour.
now multiply 15×10=150
