At the Grocery Store checkout counter, you watch the amounts of your purchases and coupons entered into the cash register. The amounts are as follows: $3.19, $1.25, $1.39, $3.39, $2.99, $2.79, $3.09, -$1.40(coupon) and -$1.25(coupon). ROUND each amount to estimate the total.
a.$3.00, $1.00, $1.50, $3.50, $3.00,
$3.00, $3.00, -$1.50, -$1.00
b. $3.00, $1.00, $1.00, $3.00, $2.00, $2.00, $3.00, -$1.00, -$1.00
c. $3.19, $1.25, $1.39, $3.39, $2.99, $2.79, $3.09, -$1.40, -$1.25 <--?
d. $3.00, $1.00, $2.00, $3.00, $3.00, $3.00, $3.00, -$1.00, -$1.00 <--?
Use the estimates from question 23. What is a good ESTIMATE for the total bill
a.About $15.80
b. About $15.50
c.Exactly $15.80
d.Exactly $15.50
At a grocery store you estimate your bill to be about $23.50 for 10 items. If the cashier asks for $25.32 is the bill reasonable?
a. No: it should be exactly $23.50
b. No: Being off by $1.82 is too much!
c.Yes: With ten items, that difference is reasonable.
d. yes: Anything within $10.00 difference is pretty close.
what do i do? If I know that Im right on the 1st one I think I'll be able to answer # 2 and 3
2 answers