Jordan has taken 5 math tests so far this semester. If he gets a 70 on his next

游客2024-01-12 17

问题 Jordan has taken 5 math tests so far this semester. If he gets a 70 on his next test, it will lower the average (arithmetic mean) of his test scores by 4 points. What is his average now?

选项 A、74
B、85
C、86
D、90
E、94

答案 E

解析

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Jordan has taken 5 math tests so far this semester. If he gets a 70 on his next

W:IdohopePeterdowellinhisstudiesthissemester.M:______A、Yes.Ihope

Jordanhad3hitsinhisfirst4baseballgamesand4hitsinhisnext4games.

Jordanhastaken5mathtestssofarthissemester.Ifhegetsa70onhisnext

Jordanhad3hitsinhisfirst4baseballgamesand4hitsinhisnext4games.

MandyandJordaneachboughtsomenotebooksandathree-ringbinder.Mandypaid

Unsuccessfulinherfirstcampaigns,BarbaraJordan______,eventuallybecomingt

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