Answer:
4.5 mph
Step-by-step explanation:
6 times 3 is 18.
18 divided by 4 is 4.5
Answer:
For the yes/no bit:
step 1: no
step 2: no
step 3: yes
step 4: yes
step 5: no
for the final answer bit: a = 2 3/5 (the last option)
Step-by-step explanation:
yes/no bit:
step 1 is wrong because she didn't multiply
by -2
step 2 is wrong because she subtracted 1/2 instead of adding it
step 3 is correct because 6 - 1/2 = 11/2
step 4 is correct because she correctly multiplied both sides by 4
step 5 is wrong because she added 5 instead of dividing by -5.
for the final answer bit, I've attached an image below with my working out. hope this helps!
Answer:
1/21
Step-by-step explanation:
11 boys + 10 girls = 21 students
We want the ratio of coaches to students
1 coach: 21 students
1/21
Answer:
25b3a+93b+60a=30a2+b2
Step-by-step explanation: