1. $7.60
Barry is given 0.4 and 0.9 cents
He already has 6.30 in his bank
0.4+0.9 = 1.3
add the money he was given to the bank
1.3 + 6.3 = $7.60
Barry has $7.60 in total.
2. $3.70
Henry buys two candy bars, one is worth 3.20 and the other is 1.60
add them up to get the total
3.20 + 1.60 = 4.80
Henry has $8.50
subtract the cost of the chocolate from the money he has
8.50 - 4.80 = $3.70
Henry has $3.70 left over from the $8.50
3. $7.20
Beth buys a bouncy ball worth 1.20 and pen that is 5 times that amount.
this put into an equation is
1.20 + (5*1.20) =
1.20 + 6 =
the answer to this equation is
$7.20
The bouncy ball and pen cost $7.20 in total.
4. $9.20
Joe found 1 dollar ($1), 4 quarters ($1), and 3 dimes ($0.30) on Monday
In total that is,
1 + 1 + 0.30 = $2.30
He found $2.30 on monday
On tuesday, he finds 3 times that amount
3 * 2.30 = $6.90
He found $6.90 on tuesday
add them up and you get
2.30 + 6.90 =
$9.20
Joe found $9.20 on Monday and Tuesday combined.