Help me please.
Simplify, watching for shortcuts, and type only the final answer:
1. 0.25 x 7.4 x 4 x 2 = _____
2.The associative property of addition:
a. 7.4x + 0 = 7.4x
b. 2.7(x + y) = 2.7x + 2.7y
c. 7z x 1 = 7z
d. (2.3 + 3a) + 5a = 2.3 + (3a + 5a)
e. z(0.2) = 0.2z
f. 0.2(5 x w) = (0.2 x 5) x w
g. 2.73 + x = x + 2.73
3.The commutative property of multiplication:
a. 7.4x + 0 = 7.4x
b. 2.7(x + y) = 2.7x + 2.7y
c. 7z x 1 = 7z
d. (2.3 + 3a) + 5a = 2.3 + (3a + 5a)
e. z(0.2) = 0.2z
f. 0.2(5 x w) = (0.2 x 5) x w
g. 2.73 + x = x + 2.73
4. Will's age is 3 years more than twice Anne's. He is 15. How old is
Anne? _____
5.The super sundae with nuts costs $0.65 less than three times the cost
of a plain dish of ice cream. The super sundae costs $3.40. How much is
a plain dish of ice cream? _____
6.Andy bought 3 bags of a new birdseed mixture on sale. The birds in his
yard like it so well that his friend Mike bought 5 bags. Together they
spent $13.20. How much does each bag cost? _____
7.Eloise walked in a Walk for the Homeless. She was pledged $1 per mile
by her aunt, and $2 per mile by her father. She walked the entire
course, and collected $63. How long was the course? _____
