100% - 65% - 20% = 15% girls.
15% = 0.15
820 * 0.15 = 123 girls
Answer:
If your solving for y...
The answer would be: y = -9/8x + 17/8 I believe.
For the second one... it would be : y = -1/7x + 8/7
Step-by-step explanation:
Answer:

Step-by-step explanation:
move the decimal so there is one non-zero digit to the left of the decimal point. the number of decimal places you move will be the exponent on the 10. if the decimal is being moved to the right, the exponent will be negative. if the decimal is being moved to the left, the exponent will be positive.
28 / 4 will get the unit rate for dress shirts but you have to tell the costs of the pairs of pants