Answer:
15 cookies come in the box.
Step-by-step explanation:
20% = 1/5
3 x 5 = 15
Step-by-step explanation:


Answer:
1. 
2. m
3. 6w
4. 39x + 78
5. 75x - 153
Step-by-step explanation:
1. The product of −2c+14 and the multiplicative inverse of −12 is

Use distributive property:

2. Solve 10+(m−10)
Open the brackets remembering that the sign before brackets is "+":

Combine the like terms usin commutative property:

3. Solve 6w+3−3
Combine the like terms:

4. Write the expression in standard form 13(3x+6).
Use distributive property:

5. Write the expression in standard form 15(5x−10)−3.
Use distributive property:

Combine the like terms:

1. 4.22
2. 3.11
3. 2.12
4. 1.27
5. 7.2
6. 2.61
7. 2.57
8. 2.5
9. 4.13
10. 0.83