Answer:
6
Step-by-step explanation:
2 times the difference of a number and 1 = 4 plus that number
In other to express the word problem Mathematically ; let the number = x
2(x - 1) = 4 + x
Expand
2x - 2 = 4 + x
Collect like terms
2x - x = 4 + 2
x = 6
Hence, the number is 6
Multiply 8 with 2h and 1
2) First option
3) Second option
5² = 625
13 × 8 × 5 = 520
49 the answer :)