Answer:
36
Step-by-step explanation:
90-54=36
right angles measure 90 therefore angle a and b has to add up to 90
Answer:I don’t understand the question
Step-by-step explanation:
X= 75/2
Y=0
That is the answer to your question I used Photomath to help me
Answer:
Step-by-step explanation:
15lawns/9hours= 1.6 lawns mowed per hour
1.6lph*27hours=43.2 lawns
Answer:
18 minutes
Step-by-step explanation:
Sophie can peel all potatoes in 45 minutes, in 1 minute she can peel:
Simon can peel all potatoes in 30 minutes, in 1 minute he can peel:
Together, in 1 minute they can peel:
- 1/45+1/30= 2/90+3/90= 5/90= 1/18 of all the potatoes
To peel all the potatoes they need:
- 1 ÷ 1/18= 1 × 18= 18 minutes
So it will take them 18 minutes to peel all the potatoes
