Answer: I think B and A
Step-by-step explanation:
Answer:
True
Step-by-step explanation:
- Solve what's in parentheses: -3 + 1 = -2, 4 - 8 = -2
- Plug -2 and -2 in: 11 + 5(-2) - 2 = -(-2) - 5
- Simplify: 11 + 5(-2) - 2 = 2 - 5
- 5 × -2 = -10
- Plug -10 in: 11 + -10 - 2 = 2 - 5
- 2 - 5 = -3
- Plug -3 in: 11 + -10 - 2 = -3
- 11 + -10 = 1
- Plug 1 in: 1 - 2 = -3
- 1 - 2 = -3, so we know it's correct
I hope this helps!
dont no sory need some points plz answer my question
Answer:
6 packages B
7 packages A
Step-by-step explanation:
let the number of packages A be a and the number of packages B be b
Total number of packages is 13;
Thus;
a + b = 13 •••••(i)
Total package a cost is 18(a) = 18a
Total package b cost is 22(b) = 22b
Total of both is 258
18a + 22b = 258 •••••••(ii)
From i, a = 13-b
Put this in equation ii
18(13-b) + 22b = 258
234-18b + 22b = 258
4b = 258-234
4b = 24
b = 24/4 = 6
since;
a + b = 13
a + 6 = 13
a = 13-6
a = 7