Answer:
28
Step-by-step explanation:
There were 7 chairs in each row, now they add three more to each row so now there's 10 chairs per row. There were 56 chairs altogether previously but now they need 5 times more so 56 times 5 equals 280. so with ten chairs per row and 280 chairs in total: 280/10 = 28. You'll need 28 rows
Answer:
she has to minus just as she did before.
Step-by-step explanation:
230-39=191
233-42=191
the reason as to why they have the same answer is because it was first 230 but it later it was 233.so just minus as before.hope it will help goodbye
Answer:

Step-by-step explanation:
by the definition of negative exponents:
for all
so long as
.
Answer:
months = 6.67
Step-by-step explanation:
time in years = interest / (principal amount x rate)
time in y = 180 / (5000 x 0.02)
time in y = 180 / 100
time in months = 12 / 1.8
months = 6.67
You do both of those multiplied by each other