Brody wants to build a model ship. he has already saved $30 for the materials and plans. the materials costs $24.89 and the plans cost $8.29.
brody says he has to save $5.11 more to pay for the materials and plans.
which explanation explains whether brody is correct or not?
a.
brody is correct.
estimation: 30.00 – 8.29 is about 22.
$22 + $25 = $47.
brody needs to save about $47 more.
b.
brody is not correct.
estimation: 24.89 – 8.29 is about 17.
$30 – $17 = $13.
brody needs to save about $13 more.
c.
brody is not correct.
estimation: 24.89 + 8.29 is about 33.
$33 – $30 = $3.
brody needs to save about $3 more.