Answer:
line 2 of her working
Step-by-step explanation:
when multiplying the brackets out it is a negative times posative so she should have wrote -4 not +4
Answer:
63.38
Step-by-step explanation:
(49.90)(20%)(6%)
20%= $9.98
49.90+9.98 =59.80
(59.80)(6%)
6%= $3.58
59.80+3.58=63.38
3 tens is 3 * 10 = 30
9 ones is 9 * 1 = 9
30 + 9 = 39
Answer: 39