60 coins
30%=pennies
100-30=70% =not pennies
percent menas parts out of 100 so
70%=70/100=7/20=0.7
so we want to find 70% of 60
'of' can be translated to as multiply
0.7 times 60=42
42 coins=not pennies
Answer:
The numbers 6, 9 , and 42
Step-by-step explanation:
Fraction
6/10
9/100
42/100
Decimal
0.6
0.09
0.42
Percent
60%
9%
42%
Answer:
3 * 10^3 in scientific notation.
3,000 in standard notation.
Step-by-step explanation:
We divide:
3.9 *10^5 / 1.3 * 10^2
= ( 3.9/1.3) * (10^5 / 10^2)
= 3 * 10(5-2)
= 3 * 10^3.
This equals 3 * 1,000 = 3000.
Grams of cocoa =30% of 50g=(30/100) * 50 g=(30 * 50 g)/100=15 g
Soltution: 15 g
