Question

帮我翻译一下 英语数学题：

1.The Amaco Middle Shool bookstore sells pencils costing a whone number of cents.Some seventh graders each bought a pencil,paying a total of $1.43.Some of the 30 sixth graders each bought a pencil,and they paid a total of $1.95.How many more sixth graders than seventh graders bought a pencil？
2.The two spinners shown are spun once and each lands on one of the numbered sectors.What is the probability that the sum of the numbers in the two sectors is prime？
3.A three-digit integer contains one of each of the digits 1,3and5.What is the probability that the integer is divisible by 5?
4.Austin and Temple are 50 miles apart along Interstate 35.Bonnie drove from Austin to her daughter's house in Temple,averaging 60 miles per hour.Leaving the car with he daughter,Bonnie rode a bus back to Austin along the same route and averged 40 miles per hour on the return trip.What was the average speed for the round trip,in miles per hour?
5.A recipe that makes 5 servigs of hot chocolate requires 2 squares of chocolate.¼ cup sugar,1 cup water and 4 cups milk.Jordan has 5 squares of chocolate.2 cups of sugar,lots of water and 7 cups of milk.If she maintains the same ratio of ingredients,what is the greatest number of servings of hot chocolate she can make?
6.How many 3-digit positive integers have digits whose product equals24?
7.The positive integers ⅹand γ are the two smallest positive integers for which the product of 360 and ⅹis a square and the product of 360 and γ is a cube.What is the sum of ⅹand γ？
8.The diagram represents a 7-foot-by-7-foot floor that is tiled with 1-squars-foot black tiles and white tiles.Notice that the corners have white tiles.If a 15-foot-by-15-foot floor is to be tiled in the same manner,how many white tiles will be needed?
9.The length of a rectangle is increased by 10％ and the width is decreased by 10％ .What percent of the old area is the new area？

Answer 1

1 Amaco中学学校数电出售价值为整分钱数（就是铅笔的价钱最小单位为分，并且为整数）的铅笔。一些七年级学生每个人买一支铅笔，一共只需1.43美元。某30个六年级学生每个人买一支铅笔，共支付1.95美元，问：购买铅笔的六年级学生比七年级学生多多少人。

2 The two spinners shown are spun once and each .
（这题应该有图）两个转盘各转一次，最终转盘指针会落到一个标有数字的扇形中，问两个扇形中数字的和是质数（素数）的概率是多少？

3 一个三位整数由1 3 5组成，问这个整数能被5整除的概率是多少？

4 Austin和Temple的沿35号州际公路的距离是50里，。Bonnie从Austin出发开车到女儿在Temple的家。平均时速50里。并把车留给女儿，自己做公交原路返回Austin，公车时速40里。问全称平均速度为多少里/小时？

5 一份做5杯热巧克力的食谱需要2块巧克力，1/4杯的糖，1杯的水，4杯的牛奶。Jordan有5块巧克力，2杯的糖以及许多水还有7杯牛奶，如果她保持上述的调配比例，她最多能做多少杯热巧克力。

6 多少个3位正整数的各位乘积为24

7 正整数x和y是两个乘积为360最小的正整数，x是 求：x，y 的和

8 有一个7尺*7尺的地面，铺上1尺见方的黑色砖和白色砖，且角落处为白色砖。如果有一个15尺*15尺的地面以同样方式铺砖，问需要多少块白色砖

9 矩形的长增加10%，宽减少10%。问原面积占新面积的百分比是多少？

希望对你理解有帮助