作业帮大家帮我做道英语数学题2.You are taking all the children in the centre on an excursion.There are (8) 0-2 year olds.There are (12) 2-3 year olds.There are (24) 3-5 year olds.Staff:child ratio is 1 staff member to one child(0-2 years)Staff:ch
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大家帮我做道英语数学题2.You are taking all the children in the centre on an excursion.There are (8) 0-2 year olds.There are (12) 2-3 year olds.There are (24) 3-5 year olds.Staff:child ratio is 1 staff member to one child(0-2 years)Staff:ch
大家帮我做道英语数学题
2.You are taking all the children in the centre on an excursion.
There are (8) 0-2 year olds.
There are (12) 2-3 year olds.
There are (24) 3-5 year olds.
Staff:child ratio is 1 staff member to one child(0-2 years)
Staff:child ratio is 1 staff member to two children.(2-3 years)
Staff:child ratio is 1 staff member to four children.(3-5 years)
How many staff members will you need on the excursion?
大家帮我做道英语数学题2.You are taking all the children in the centre on an excursion.There are (8) 0-2 year olds.There are (12) 2-3 year olds.There are (24) 3-5 year olds.Staff:child ratio is 1 staff member to one child(0-2 years)Staff:ch
0-2岁的孩子有8人
2-3岁的12人
3-5岁的24人
工作人员:
0-2岁的,1个人照顾一个小孩
2-3岁的,1人照顾两个小孩
3-5岁的,1人照顾4个小孩
共需要8/1+12/2+24/4=20名工作人员
twenty staff members are needed.