LoneWolves
10.01.2020 •
Mathematics
Find the smaller of two consecutive intergers if the sum of the smaller and twice the larger is -4
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Ответ:
The correct combinations are:
(A). 4 sizes and 3 toppings.
(D). 2 sizes and 6 toppings.
(F). 3 sizes and 4 toppings.
Step-by-step explanation: Given that a A pizzeria makes pizzas in different sizes and with different toppings. The pizzeria wants its customers to have 12 options when they create a pizza.
We are to select the combination of size and toppings will give customers 12 options.
Combination (A): 4 sizes and 3 toppings.
Here, the number of options that customer will get = 4 × 3 = 12.
So, this combination is correct.
Combination (B): 2 sizes and 10 toppings.
Here, the number of options that customer will get = 2 × 10 = 20 ≠ 12.
So, this combination is NOT correct.
Combination (C): 3 sizes and 9 toppings.
Here, the number of options that customer will get = 3 × 9 = 27 ≠ 12.
So, this combination is NOT correct.
Combination (D): 2 sizes and 6 toppings.
Here, the number of options that customer will get = 2 × 6 = 12.
So, this combination is correct.
Combination (E): 4 sizes and 8 toppings.
Here, the number of options that customer will get = 4 × 8 = 32 ≠ 12.
So, this combination is NOT correct.
Combination (F): 3 sizes and 4 toppings.
Here, the number of options that customer will get = 3 × 4 = 12.
So, this combination is correct.
Thus, the correct combinations are A, D and F.