Answer:
Maybe...
Not much sure..
If it is factorisation then it's correct...
Step-by-step explanation:
x×x-2×7×X+5×9
X(x-14+45)
X(x-31) Answer...
hope it helps
B………………………………………………………………………………
Is this problem in the English or the maths section?
The way I understood it was that out of the X number of pizzas bought for a party, by the end of the party only 2 fifths were eatable. If she only took with her half a pizza then the ecuation is right
Answer:
Step-by-step explanation:
a) Tip = 15% of bill = 15% * 21 = 0.15 * 21 = $ 3.15
Amount including tips = 21 + 3.15 = $ 24.15
b) Tip = 15% of b = 0.15b
Amount including tips = b +0.15b