Answer:
(a+b)(a-b)
Step-by-step explanation:
because (a+b)(a-b):
If you use FOIL it will work backwards
Cost of the meal is 60, the number of friends is x, and the tip is 1+x
I think is 60:92& because I got it right so it is yuat gone kwnqqownwownwok919191&91&1&
Answer:
1.3 < x < 6.7
Step-by-step explanation:
minimum
4.0 - 2.7 = 1.3
maximum
4.0 + 2.7 = 6.7
-------------------------
1.3 < x < 6.7