Answer:
42
Step-by-step explanation:
Shanice =88
If greg won x pieces of gum, and 88 was 4 more than twice as many as Greg
2x+4=88
2x=84
x=42
Answer:
25 ft
Step-by-step explanation:
You need to add 9+7+9.
There are two 9s and just one 7. 9+9 is 18 and 18+7 is 25
Answer:
Habrá 100 chocolates en total en 5 cajas de chocolates.
Step-by-step explanation:
Esta pregunta es resolvida usando proporciones, con lo uso de regla de tres
.
11 cajas, 220 chocolates:
Entonces:

20 chocolates por caja.
Calcula cuántos chocolates habrá en total en 5 cajas de chocolates.
20 chocolates por caja, entonces:
5*20 = 100
Habrá 100 chocolates en total en 5 cajas de chocolates.
You would subtract x from each side. It would then be 3y=-x-15. Then you would divide all of the equation by 3. Your final answer would be y=-3x-5.
Answer:
9 + 10 = 21
Step-by-step explanation:
9 + 10 = 21
Factor out 9 and 10
9 = 3 · 3 10 = 2 · 5
Next multiply 3 by 2
3 × 2 = 6
Then multiply 3 by 5
3 · 5 = 15
Finally add the products
15 + 6 = 21