Irene bought sandwiches at the prices as shown. Irene spent an equal amount of money on the peanut butter and tuna sandwiches.
| Sandwiches Prices |
| Peanut butter |
$2.20 |
| Tuna |
$7.70 |
- What fraction of the sandwiches Irene bought were peanut butter sandwiches?
- How much did Irene spend altogether?
(a)
Multiples of 7.7: 7.7,
15.4 Multiples of 2.2: 2.2, 4.4, 6.6, 8.8, 11, 13.2,
15.4Irene bought 7 peanut butter sandwiches and 2 tuna sandwiches since she spent equal amounts on each type.
Peanut butter sandwichesTotal sandwiches =
77 + 2 =
79 (b)
Amount that Irene spent altogether
= 2 x 15.40
= $30.80
Answer(s): (a)
79; (b) $30.80
