Last week, Dirk jumped Y inches in the long jump. This week, he increased the length of his jump by 10%. If this week, he jumped 143 inches, how far did he jumped last week?
a) Draw a model
B) Write an equation to answer the question
c) solve for the unknown
d) Write a statement stating the answer to the question

Question

Last week, Dirk jumped Y inches in the long jump. This week, he increased the length of his jump by 10%. If this week, he jumped 143 inches, how far did he jumped last week? 
a) Draw a model
B) Write an equation to answer the question
c) solve for the unknown
d) Write a statement stating the answer to the question

dtan5457 · Answer

10% of 143 is?

dtan5457 · Answer

Simply add that number to 143

anonymous · Answer

y + 0.1y = 143

perl · Answer

last week he jumped y inches
this week he jumped (1 + 10/100)*y inches

anonymous · Answer

y is the number of inches he jump last week
0.1y is the number of inches he gained this week
143 is the total number inches he gained this week

anonymous · Answer

hence the equation would be: y + 0.1y = 143
Side Note: 0.1 = 10%

anonymous · Answer

Okay, I did that and I got 128.7 inches. Hence, Dirk jumped 128.7 inches last week. But what is meant by draw a model?